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Posted to commits@nuttx.apache.org by xi...@apache.org on 2021/01/26 13:12:20 UTC

[incubator-nuttx] 11/13: include: nuttx: lcd: nxstyle fixes

This is an automated email from the ASF dual-hosted git repository.

xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit 785cb0dffe1eba4ca075340092fd254d384a95ee
Author: Alin Jerpelea <al...@sony.com>
AuthorDate: Tue Jan 26 11:27:31 2021 +0100

    include: nuttx: lcd: nxstyle fixes
    
    Nxstyle fixes to pass CI
    
    Signed-off-by: Alin Jerpelea <al...@sony.com>
---
 include/nuttx/lcd/ft80x.h                | 688 +++++++++++++++++--------------
 include/nuttx/lcd/hd4478ou.h             |  37 +-
 include/nuttx/lcd/ili9325.h              | 126 ++++--
 include/nuttx/lcd/ili9341.h              |   4 +-
 include/nuttx/lcd/ili9488.h              |  19 +-
 include/nuttx/lcd/lpm013m091a.h          |   4 +-
 include/nuttx/lcd/max7219.h              |   1 -
 include/nuttx/lcd/mio283qt2.h            |   2 +
 include/nuttx/lcd/mio283qt9a.h           |   2 +
 include/nuttx/lcd/p14201.h               |   4 +-
 include/nuttx/lcd/pcd8544.h              |   9 +-
 include/nuttx/lcd/pcf8574_lcd_backpack.h |  33 +-
 include/nuttx/lcd/ra8875.h               |   2 +
 include/nuttx/lcd/slcd_codec.h           |   4 +-
 include/nuttx/lcd/slcd_ioctl.h           |   1 +
 include/nuttx/lcd/ssd1289.h              |   2 +
 include/nuttx/lcd/st7032.h               |   2 +-
 include/nuttx/lcd/st7567.h               |  11 +-
 include/nuttx/lcd/ug-2864ambag01.h       |  87 ++--
 include/nuttx/lcd/ug-9664hswag01.h       |  14 +-
 20 files changed, 599 insertions(+), 453 deletions(-)

diff --git a/include/nuttx/lcd/ft80x.h b/include/nuttx/lcd/ft80x.h
index 3bf1d79..1530197 100644
--- a/include/nuttx/lcd/ft80x.h
+++ b/include/nuttx/lcd/ft80x.h
@@ -1,4 +1,4 @@
-/********************************************************************************************
+/****************************************************************************
  * include/nuttx/lcd/ft80x.h
  *
  *   Copyright (C) 2018 Gregory Nutt. All rights reserved.
@@ -43,14 +43,14 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ********************************************************************************************/
+ ****************************************************************************/
 
 #ifndef __INCLUDE_NUTTX_LCD_FT80X_H
 #define __INCLUDE_NUTTX_LCD_FT80X_H
 
-/********************************************************************************************
+/****************************************************************************
  * Included Files
- ********************************************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/config.h>
 #include <nuttx/irq.h>
@@ -62,23 +62,23 @@
 
 #ifdef CONFIG_LCD_FT80X
 
-/********************************************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- ********************************************************************************************/
+ ****************************************************************************/
 
-/* Configuration ****************************************************************************/
+/* Configuration ************************************************************/
 
 #if defined(CONFIG_LCD_FT80X_WQVGA)
-#  define FT80X_DISPLAY_WIDTH   480
-#  define FT80X_DISPLAY_HEIGHT  272
+#define FT80X_DISPLAY_WIDTH   480
+#define FT80X_DISPLAY_HEIGHT  272
 #elif defined(CONFIG_LCD_FT80X_QVGA)
-#  define FT80X_DISPLAY_WIDTH   320
-#  define FT80X_DISPLAY_HEIGHT  240
+#define FT80X_DISPLAY_WIDTH   320
+#define FT80X_DISPLAY_HEIGHT  240
 #else
 #  error Unknown display size
 #endif
 
-/* FT80x IOCTL commands *********************************************************************
+/* FT80x IOCTL commands *****************************************************
  *
  * FT80X_IOC_CREATEDL:
  *   Description:  Write a display list to the FT80x display list memory
@@ -107,10 +107,12 @@
  *                                        # Various display commands ...
  *   FT80X_DISPLAY();                     # Terminate the display list
  *
- * Then write to the REG_DLSWAP register to set REG_swap to the new display list.
+ * Then write to the REG_DLSWAP register to set REG_swap to the new display
+ * list.
  *
- * NOTE: The functionality of FT80X_IOC_CREATEDL is the equivalent to that of
- * the driver write() method.  Either the write() method or the FT80X_IOC_CREATEDL
+ * NOTE:
+ * The functionality of FT80X_IOC_CREATEDL is the equivalent to that of the
+ * driver write() method. Either the write() method or the FT80X_IOC_CREATEDL
  * IOCTL command can be used to create the display list.
  *
  * The difference between appending and create a display list using write()
@@ -118,88 +120,99 @@
  * to create a new display list.  Subsequent writes will behave then append
  * to the end of the display list.
  *
- * Need to know the current display list offset?  You can set that using lseek()
- * too.  Just seek to the current position; the returned value will be the current
- * display list offset.
+ * Need to know the current display list offset?
+ * You can set that using lseek()too.  Just seek to the current position;
+ * the returned value will be the current display list offset.
  *
  * Output values from display commands are not automatically written back in
  * either case but must be subsequently obtained using FT80X_IOC_GETRAMDL.
  *
  * FT80X_IOC_GETRAMDL:
- *   Description:  Read a 32-bit aligned data from the display list.
- *   Argument:     A reference to an instance of struct ft80x_relmem_s below.
- *   Returns:      The 32-bit value read from the display list.
+ *  Description:  Read a 32-bit aligned data from the display list.
+ *  Argument:     A reference to an instance of struct ft80x_relmem_s
+ *                below.
+ *  Returns:      The 32-bit value read from the display list.
  *
  * FT80X_IOC_PUTRAMG
- *   Description:  Write byte data to FT80x graphics memory (RAM_G)
- *   Argument:     A reference to an instance of struct ft80x_relmem_s below.
- *   Returns:      None.
+ *  Description:  Write byte data to FT80x graphics memory (RAM_G)
+ *  Argument:     A reference to an instance of struct ft80x_relmem_s
+ *                below.
+ *  Returns:      None.
  *
  * FT80X_IOC_PUTRAMCMD
- *   Description:  Write 32-bit aligned data to FT80x FIFO (RAM_CMD)
- *   Argument:     A reference to an instance of struct ft80x_relmem_s below.
- *   Returns:      None.
+ *  Description:  Write 32-bit aligned data to FT80x FIFO (RAM_CMD)
+ *  Argument:     A reference to an instance of struct ft80x_relmem_s
+ *                below.
+ *  Returns:      None.
  *
  * FT80X_IOC_GETREG8:
- *   Description:  Read an 8-bit register value from the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_register_s below.
- *   Returns:      The 8-bit value read from the register.
+ *  Description:  Read an 8-bit register value from the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_register_s
+ *                below.
+ *  Returns:      The 8-bit value read from the register.
  *
  * FT80X_IOC_GETREG16:
- *   Description:  Read a 16-bit register value from the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_register_s below.
- *   Returns:      The 16-bit value read from the register.
+ *  Description:  Read a 16-bit register value from the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_register_s
+ *                below.
+ *  Returns:      The 16-bit value read from the register.
  *
  * FT80X_IOC_GETREG32:
- *   Description:  Read a 32-bit register value from the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_register_s below.
- *   Returns:      The 32-bit value read from the register.
+ *  Description:  Read a 32-bit register value from the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_register_s
+ *                below.
+ *  Returns:      The 32-bit value read from the register.
  *
  * FT80X_IOC_GETREGS:
- *   Description:  Read multiple 32-bit register values from the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_registers_s below.
- *   Returns:      The 32-bit values read from the consecutive registers .
+ *  Description:  Read multiple 32-bit register values from the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_registers_s
+ *                below.
+ *  Returns:      The 32-bit values read from the consecutive registers.
  *
  * FT80X_IOC_PUTREG8:
- *   Description:  Write an 8-bit register value to the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_register_s below.
- *   Returns:      None.
+ *  Description:  Write an 8-bit register value to the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_register_s
+ *                below.
+ *  Returns:      None.
  *
  * FT80X_IOC_PUTREG16:
- *   Description:  Write a 16-bit register value to the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_register_s below.
- *   Returns:      None.
+ *  Description:  Write a 16-bit register value to the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_register_s
+ *                below.
+ *  Returns:      None.
  *
  * FT80X_IOC_PUTREG32:
- *   Description:  Write a 32-bit register value to the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_register_s below.
- *   Returns:      None.
+ *  Description:  Write a 32-bit register value to the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_register_s
+ *                below.
+ *  Returns:      None.
  *
  * FT80X_IOC_PUTREGS:
- *   Description:  Write multiple 32-bit register values to the FT80x.
- *   Argument:     A reference to an instance of struct ft80x_registers_s below.
- *   Returns:      None.
+ *  Description:  Write multiple 32-bit register values to the FT80x.
+ *  Argument:     A reference to an instance of struct ft80x_registers_s
+ *                below.
+ *  Returns:      None.
  *
  * FT80X_IOC_EVENTNOTIFY:
- *   Description:  Setup to receive a signal when there is a change in any
- *                 touch tag value.  Additional information may be provided in
- *                 the signinfo.si_val file of the notification:
+ *  Description:  Setup to receive a signal when there is a change in any
+ *                touch tag value.  Additional information may be provided
+ *                in the signinfo.si_val file of the notification:
  *
- *                 For touch tag events, siginfo.si_value will indicate the
- *                 touch tag.  For the FT801 in extended mode, it will
- *                 indicate only the tag value for TOUCH0.
- *   Argument:     A reference to an instance of struct ft80x_notify_s.
- *   Returns:      None
+ *                For touch tag events, siginfo.si_value will indicate the
+ *                touch tag.  For the FT801 in extended mode, it will
+ *                indicate only the tag value for TOUCH0.
+ *  Argument:     A reference to an instance of struct ft80x_notify_s.
+ *  Returns:      None
  *
  * FT80X_IOC_FADE:
- *   Description:  Change the backlight intensity with a controllable fade.
- *   Argument:     A reference to an instance of struct ft80x_fade_s below.
- *   Returns:      None.
+ *  Description:  Change the backlight intensity with a controllable fade.
+ *  Argument:     A reference to an instance of struct ft80x_fade_s below.
+ *  Returns:      None.
  *
  * FT80X_IOC_AUDIO:
- *   Description:  Enable/disable an external audio amplifier.
- *   Argument:     0=disable; 1=enable.
- *   Returns:      None.
+ *  Description:  Enable/disable an external audio amplifier.
+ *  Argument:     0=disable; 1=enable.
+ *  Returns:      None.
  */
 
 #define FT80X_IOC_CREATEDL          _LCDIOC(FT80X_NIOCTL_BASE + 0)
@@ -219,187 +232,190 @@
 #define FT80X_IOC_FADE              _LCDIOC(FT80X_NIOCTL_BASE + 14)
 #define FT80X_IOC_AUDIO             _LCDIOC(FT80X_NIOCTL_BASE + 15)
 
-/* FT80x Memory Map *************************************************************************/
+/* FT80x Memory Map *********************************************************/
 
 /* Address region */
 
-#define FT80X_RAM_G                    0x000000  /* Main graphics RAM (256Kb) */
-#define FT80X_ROM_CHIPID               0x0c0000  /* FT80x chip identification and revision
-                                                  * information (4b):
-                                                  * Byte [0:1] Chip ID: 0800 or 0801
-                                                  * Byte [2:3] Version ID: 0100 */
-#define FT80X_ROM_FONT                 0x0bb23c  /* Font table and bitmap (275Kb) */
-#define FT80X_ROM_FONT_ADDR            0x0ffffc  /* Font table pointer address (4b) */
-#define FT80X_RAM_DL                   0x100000  /* Display List RAM (8Kb) */
-#define FT80X_RAM_PAL                  0x102000  /* Palette RAM (1Kb) */
-#define FT80X_REG                      0x102400  /* Registers (380b) */
-#define FT80X_RAM_CMD                  0x108000  /* Command Buffer (4Kb) */
+#define FT80X_RAM_G                  0x000000  /* Main graphics RAM (256Kb) */
+#define FT80X_ROM_CHIPID             0x0c0000  /* FT80x chip identification and revision
+                                                * information (4b):
+                                                * Byte [0:1] Chip ID: 0800 or 0801
+                                                * Byte [2:3] Version ID: 0100 */
+#define FT80X_ROM_FONT               0x0bb23c  /* Font table and bitmap (275Kb) */
+#define FT80X_ROM_FONT_ADDR          0x0ffffc  /* Font table pointer address (4b) */
+#define FT80X_RAM_DL                 0x100000  /* Display List RAM (8Kb) */
+#define FT80X_RAM_PAL                0x102000  /* Palette RAM (1Kb) */
+#define FT80X_REG                    0x102400  /* Registers (380b) */
+#define FT80X_RAM_CMD                0x108000  /* Command Buffer (4Kb) */
 
 #ifdef CONFIG_LCD_FT801
-#  define FT80X_RAM_SCREENSHOT         0x1c2000  /* Screenshot readout buffer  (2Kb) */
+#define FT80X_RAM_SCREENSHOT         0x1c2000  /* Screenshot readout buffer  (2Kb) */
 #endif
 
 /* Memory buffer sizes */
 
-#define FT80X_RAM_G_SIZE               (256 * 1024)
-#define FT80X_CMDFIFO_SIZE             (4 * 1024)
-#define FT80X_RAM_DL_SIZE              (8 * 1024)
-#define FT80X_RAM_PAL_SIZE             (1 * 1024)
+#define FT80X_RAM_G_SIZE             (256 * 1024)
+#define FT80X_CMDFIFO_SIZE           (4 * 1024)
+#define FT80X_RAM_DL_SIZE            (8 * 1024)
+#define FT80X_RAM_PAL_SIZE           (1 * 1024)
 
-/* FT80x Register Addresses *****************************************************************/
+/* FT80x Register Addresses *************************************************/
 
-#define FT80X_REG_ID                   0x102400  /* Identification register, always reads as 7c */
-#define FT80X_REG_FRAMES               0x102404  /* Frame counter, since reset */
-#define FT80X_REG_CLOCK                0x102408  /* Clock cycles, since reset */
-#define FT80X_REG_FREQUENCY            0x10240c  /* Main clock frequency */
+#define FT80X_REG_ID                 0x102400  /* Identification register, always reads as 7c */
+#define FT80X_REG_FRAMES             0x102404  /* Frame counter, since reset */
+#define FT80X_REG_CLOCK              0x102408  /* Clock cycles, since reset */
+#define FT80X_REG_FREQUENCY          0x10240c  /* Main clock frequency */
 
 #if defined(CONFIG_LCD_FT800)
-#  define FT80X_REG_RENDERMODE         0x102410  /* Rendering mode: 0 = normal, 1 = single-line */
-#  define FT80X_REG_SNAPY              0x102414  /* Scan line select for RENDERMODE 1 */
-#  define FT80X_REG_SNAPSHOT           0x102418  /* Trigger for RENDERMODE 1 */
+#define FT80X_REG_RENDERMODE         0x102410  /* Rendering mode: 0 = normal, 1 = single-line */
+#define FT80X_REG_SNAPY              0x102414  /* Scan line select for RENDERMODE 1 */
+#define FT80X_REG_SNAPSHOT           0x102418  /* Trigger for RENDERMODE 1 */
 #elif defined(CONFIG_LCD_FT801)
-#  define FT80X_REG_SCREENSHOT_EN      0x102410  /* Set to enable screenshot mode */
-#  define FT80X_REG_SCREENSHOT_Y       0x102414  /* Y line number for screenshot */
-#  define FT80X_REG_SCREENSHOT_START   0x102418  /* Screenshot start trigger */
+#define FT80X_REG_SCREENSHOT_EN      0x102410  /* Set to enable screenshot mode */
+#define FT80X_REG_SCREENSHOT_Y       0x102414  /* Y line number for screenshot */
+#define FT80X_REG_SCREENSHOT_START   0x102418  /* Screenshot start trigger */
 #endif
 
-#define FT80X_REG_CPURESET             0x10241c  /* Graphics, audio and touch engines reset
-                                                  * control */
-#define FT80X_REG_TAP_CRC              0x102420  /* Live video tap crc. Frame CRC is computed
-                                                  * every DL SWAP. */
-#define FT80X_REG_TAP_MASK             0x102424  /* Live video tap mask */
-#define FT80X_REG_HCYCLE               0x102428  /* Horizontal total cycle count */
-#define FT80X_REG_HOFFSET              0x10242c  /* Horizontal display start offset */
-#define FT80X_REG_HSIZE                0x102430  /* Horizontal display pixel count */
-#define FT80X_REG_HSYNC0               0x102434  /* Horizontal sync fall offset */
-#define FT80X_REG_HSYNC1               0x102438  /* Horizontal sync rise offset */
-#define FT80X_REG_VCYCLE               0x10243c  /* Vertical total cycle count */
-#define FT80X_REG_VOFFSET              0x102440  /* Vertical display start offset */
-#define FT80X_REG_VSIZE                0x102444  /* Vertical display line count */
-#define FT80X_REG_VSYNC0               0x102448  /* Vertical sync fall offset */
-#define FT80X_REG_VSYNC1               0x10244c  /* Vertical sync rise offset */
-#define FT80X_REG_DLSWAP               0x102450  /* Display list swap control */
-#define FT80X_REG_ROTATE               0x102454  /* Screen 180 degree rotate */
-#define FT80X_REG_OUTBITS              0x102458  /* Output bit resolution, 3x3x3 bits */
-#define FT80X_REG_DITHER               0x10245c  /* Output dither enable */
-#define FT80X_REG_SWIZZLE              0x102460  /* Output RGB signal swizzle */
-#define FT80X_REG_CSPREAD              0x102464  /* Output clock spreading enable */
-#define FT80X_REG_PCLK_POL             0x102468  /* PCLK polarity: 0=rising edge, 1= falling edge */
-#define FT80X_REG_PCLK                 0x10246c  /* PCLK frequency divider, 0 = disable */
-#define FT80X_REG_TAG_X                0x102470  /* Tag query X coordinate */
-#define FT80X_REG_TAG_Y                0x102474  /* Tag query Y coordinate */
-#define FT80X_REG_TAG                  0x102478  /* Tag query result */
-#define FT80X_REG_VOL_PB               0x10247c  /* Volume for playback */
-#define FT80X_REG_VOL_SOUND            0x102480  /* Volume for synthesizer sound */
-#define FT80X_REG_SOUND                0x102484  /* Sound effect select */
-#define FT80X_REG_PLAY                 0x102488  /* Start effect playback */
-#define FT80X_REG_GPIO_DIR             0x10248c  /* GPIO pin direction, 0=input, 1=output */
-#define FT80X_REG_GPIO                 0x102490  /* Pin value (bits 0,1,7); Drive strength
-                                                  * (bits 2-6) */
-                                                 /* 0x102494 Reserved */
-#define FT80X_REG_INT_FLAGS            0x102498  /* Interrupt flags, clear by read */
-#define FT80X_REG_INT_EN               0x10249c  /* Global interrupt enable */
-#define FT80X_REG_INT_MASK             0x1024a0  /* Interrupt enable mask */
-#define FT80X_REG_PLAYBACK_START       0x1024a4  /* Audio playback RAM start address */
-#define FT80X_REG_PLAYBACK_LENGTH      0x1024a8  /* Audio playback sample length (bytes) */
-#define FT80X_REG_PLAYBACK_READPTR     0x1024ac  /* Audio playback current read pointer */
-#define FT80X_REG_PLAYBACK_FREQ        0x1024b0  /* Audio playback sampling frequency (Hz) */
-#define FT80X_REG_PLAYBACK_FORMAT      0x1024b4  /* Audio playback format */
-#define FT80X_REG_PLAYBACK_LOOP        0x1024b8  /* Audio playback loop enable */
-#define FT80X_REG_PLAYBACK_PLAY        0x1024bc  /* Start audio playback */
-#define FT80X_REG_PWM_HZ               0x1024c0  /* BACKLIGHT PWM output frequency (Hz) */
-#define FT80X_REG_PWM_DUTY             0x1024c4  /* BACKLIGHT PWM output duty cycle 0=0%,
+#define FT80X_REG_CPURESET           0x10241c  /* Graphics, audio and touch engines reset
+                                                * control */
+#define FT80X_REG_TAP_CRC            0x102420  /* Live video tap crc. Frame CRC is computed
+                                                * every DL SWAP. */
+#define FT80X_REG_TAP_MASK           0x102424  /* Live video tap mask */
+#define FT80X_REG_HCYCLE             0x102428  /* Horizontal total cycle count */
+#define FT80X_REG_HOFFSET            0x10242c  /* Horizontal display start offset */
+#define FT80X_REG_HSIZE              0x102430  /* Horizontal display pixel count */
+#define FT80X_REG_HSYNC0             0x102434  /* Horizontal sync fall offset */
+#define FT80X_REG_HSYNC1             0x102438  /* Horizontal sync rise offset */
+#define FT80X_REG_VCYCLE             0x10243c  /* Vertical total cycle count */
+#define FT80X_REG_VOFFSET            0x102440  /* Vertical display start offset */
+#define FT80X_REG_VSIZE              0x102444  /* Vertical display line count */
+#define FT80X_REG_VSYNC0             0x102448  /* Vertical sync fall offset */
+#define FT80X_REG_VSYNC1             0x10244c  /* Vertical sync rise offset */
+#define FT80X_REG_DLSWAP             0x102450  /* Display list swap control */
+#define FT80X_REG_ROTATE             0x102454  /* Screen 180 degree rotate */
+#define FT80X_REG_OUTBITS            0x102458  /* Output bit resolution, 3x3x3 bits */
+#define FT80X_REG_DITHER             0x10245c  /* Output dither enable */
+#define FT80X_REG_SWIZZLE            0x102460  /* Output RGB signal swizzle */
+#define FT80X_REG_CSPREAD            0x102464  /* Output clock spreading enable */
+#define FT80X_REG_PCLK_POL           0x102468  /* PCLK polarity: 0=rising edge, 1= falling edge */
+#define FT80X_REG_PCLK               0x10246c  /* PCLK frequency divider, 0 = disable */
+#define FT80X_REG_TAG_X              0x102470  /* Tag query X coordinate */
+#define FT80X_REG_TAG_Y              0x102474  /* Tag query Y coordinate */
+#define FT80X_REG_TAG                0x102478  /* Tag query result */
+#define FT80X_REG_VOL_PB             0x10247c  /* Volume for playback */
+#define FT80X_REG_VOL_SOUND          0x102480  /* Volume for synthesizer sound */
+#define FT80X_REG_SOUND              0x102484  /* Sound effect select */
+#define FT80X_REG_PLAY               0x102488  /* Start effect playback */
+#define FT80X_REG_GPIO_DIR           0x10248c  /* GPIO pin direction, 0=input, 1=output */
+#define FT80X_REG_GPIO               0x102490  /* Pin value (bits 0,1,7); Drive strength
+                                                * (bits 2-6) */
+                                               /* 0x102494 Reserved */
+#define FT80X_REG_INT_FLAGS          0x102498  /* Interrupt flags, clear by read */
+#define FT80X_REG_INT_EN             0x10249c  /* Global interrupt enable */
+#define FT80X_REG_INT_MASK           0x1024a0  /* Interrupt enable mask */
+#define FT80X_REG_PLAYBACK_START     0x1024a4  /* Audio playback RAM start address */
+#define FT80X_REG_PLAYBACK_LENGTH    0x1024a8  /* Audio playback sample length (bytes) */
+#define FT80X_REG_PLAYBACK_READPTR   0x1024ac  /* Audio playback current read pointer */
+#define FT80X_REG_PLAYBACK_FREQ      0x1024b0  /* Audio playback sampling frequency (Hz) */
+#define FT80X_REG_PLAYBACK_FORMAT    0x1024b4  /* Audio playback format */
+#define FT80X_REG_PLAYBACK_LOOP      0x1024b8  /* Audio playback loop enable */
+#define FT80X_REG_PLAYBACK_PLAY      0x1024bc  /* Start audio playback */
+#define FT80X_REG_PWM_HZ             0x1024c0  /* BACKLIGHT PWM output frequency (Hz) */
+#define FT80X_REG_PWM_DUTY           0x1024c4  /* BACKLIGHT PWM output duty cycle 0=0%,
                                                   * 128=100% */
-#define FT80X_REG_MACRO_0              0x1024c8  /* Display list macro command 0 */
-#define FT80X_REG_MACRO_1              0x1024cc  /* Display list macro command 1 */
+#define FT80X_REG_MACRO_0            0x1024c8  /* Display list macro command 0 */
+#define FT80X_REG_MACRO_1            0x1024cc  /* Display list macro command 1 */
 
 #if defined(CONFIG_LCD_FT800)
-                                             /* 0x1024d0 – 0x1024e0 Reserved */
+                                         /* 0x1024d0 – 0x1024e0 Reserved */
+
 #elif defined(CONFIG_LCD_FT801)
-                                             /* 0x1024d0 – 0x1024d4 Reserved */
-#  define FT80X_REG_SCREENSHOT_BUSY    0x1024d8  /* Screenshot ready flags */
-                                             /* 0x1024e0 Reserved */
+                                         /* 0x1024d0 – 0x1024d4 Reserved */
+
+#define FT80X_REG_SCREENSHOT_BUSY    0x1024d8    /* Screenshot ready flags */
+
+                                         /* 0x1024e0 Reserved */
 #endif
 
-#define FT80X_REG_CMD_READ             0x1024e4  /* Command buffer read pointer */
-#define FT80X_REG_CMD_WRITE            0x1024e8  /* Command buffer write pointer */
-#define FT80X_REG_CMD_DL               0x1024ec  /* Command display list offset */
-#define FT80X_REG_TOUCH_MODE           0x1024f0  /* Touch-screen sampling mode */
+#define FT80X_REG_CMD_READ           0x1024e4  /* Command buffer read pointer */
+#define FT80X_REG_CMD_WRITE          0x1024e8  /* Command buffer write pointer */
+#define FT80X_REG_CMD_DL             0x1024ec  /* Command display list offset */
+#define FT80X_REG_TOUCH_MODE         0x1024f0  /* Touch-screen sampling mode */
 
 #if defined(CONFIG_LCD_FT800)
-#  define FT80X_REG_TOUCH_ADC_MODE     0x1024f4  /* Select single ended (low power) or
+#define FT80X_REG_TOUCH_ADC_MODE     0x1024f4  /* Select single ended (low power) or
                                                   * differential (accurate) sampling */
-#  define FT80X_REG_TOUCH_CHARGE       0x1024f8  /* Touch-screen charge time, units of 6 clocks */
-#  define FT80X_REG_TOUCH_SETTLE       0x1024fc  /* Touch-screen settle time, units of 6 clocks */
-#  define FT80X_REG_TOUCH_OVERSAMPLE   0x102500  /* Touch-screen oversample factor */
-#  define FT80X_REG_TOUCH_RZTHRESH     0x102504  /* Touch-screen resistance threshold */
-#  define FT80X_REG_TOUCH_RAW_XY       0x102508  /* Touch-screen raw (x-MSB16; y-LSB16) */
-#  define FT80X_REG_TOUCH_RZ           0x10250c  /* Touch-screen resistance */
-#  define FT80X_REG_TOUCH_SCREEN_XY    0x102510  /* Touch-screen screen (x-MSB16; y-LSB16) */
-#  define FT80X_REG_TOUCH_TAG_XY       0x102514  /* Touch-screen screen (x-MSB16; y-LSB16)
+#define FT80X_REG_TOUCH_CHARGE       0x1024f8  /* Touch-screen charge time, units of 6 clocks */
+#define FT80X_REG_TOUCH_SETTLE       0x1024fc  /* Touch-screen settle time, units of 6 clocks */
+#define FT80X_REG_TOUCH_OVERSAMPLE   0x102500  /* Touch-screen oversample factor */
+#define FT80X_REG_TOUCH_RZTHRESH     0x102504  /* Touch-screen resistance threshold */
+#define FT80X_REG_TOUCH_RAW_XY       0x102508  /* Touch-screen raw (x-MSB16; y-LSB16) */
+#define FT80X_REG_TOUCH_RZ           0x10250c  /* Touch-screen resistance */
+#define FT80X_REG_TOUCH_SCREEN_XY    0x102510  /* Touch-screen screen (x-MSB16; y-LSB16) */
+#define FT80X_REG_TOUCH_TAG_XY       0x102514  /* Touch-screen screen (x-MSB16; y-LSB16)
                                                   * used for tag lookup */
-#  define FT80X_REG_TOUCH_TAG          0x102518  /* Touch-screen tag result */
-#  define FT80X_REG_TOUCH_TRANSFORM_A  0x10251c  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_TOUCH_TRANSFORM_B  0x102520  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_TOUCH_TRANSFORM_C  0x102524  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_TOUCH_TRANSFORM_D  0x102528  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_TOUCH_TRANSFORM_E  0x10252c  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_TOUCH_TRANSFORM_F  0x102530  /* Touch-screen transform coefficient (s15.16) */
-                                                 /* 0x102534 – 0x102470 Reserved */
-#  define FT80X_REG_TOUCH_DIRECT_XY    0x102574  /* Touch screen direct (x-MSB16; y-LSB16)
-                                                  * conversions */
-#  define FT80X_REG_TOUCH_DIRECT_Z1Z2  0x102578  /* Touch screen direct (z1-MSB16; z2-LSB16)
-                                                  * conversions */
+#define FT80X_REG_TOUCH_TAG          0x102518  /* Touch-screen tag result */
+#define FT80X_REG_TOUCH_TRANSFORM_A  0x10251c  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_TOUCH_TRANSFORM_B  0x102520  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_TOUCH_TRANSFORM_C  0x102524  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_TOUCH_TRANSFORM_D  0x102528  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_TOUCH_TRANSFORM_E  0x10252c  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_TOUCH_TRANSFORM_F  0x102530  /* Touch-screen transform coefficient (s15.16) */
+                                               /* 0x102534 – 0x102470 Reserved */
+#define FT80X_REG_TOUCH_DIRECT_XY    0x102574  /* Touch screen direct (x-MSB16; y-LSB16)
+                                                * conversions */
+#define FT80X_REG_TOUCH_DIRECT_Z1Z2  0x102578  /* Touch screen direct (z1-MSB16; z2-LSB16)
+                                                * conversions */
 #elif defined(CONFIG_LCD_FT801)
-                                                 /* 0x1024d0 – 0x1024d4 Reserved */
-#  define FT80X_REG_CTOUCH_EXTENDED    0x1024f4  /* Set capacitive touch operation mode:
-                                                  * 0: extended mode (multi-touch)
-                                                  * 1: FT800 compatibility mode (single touch) */
-#  define FT80X_REG_CTOUCH_REG         0x1024f8  /* CTPM configure register write
-                                                  * Bits [7:0]: configure register address
-                                                  * Bits [15:8]: configure register value */
-                                                 /* 0x1024fc - 0x102504 Reserved */
-#  define FT80X_REG_CTOUCH_RAW_XY      0x102508  /* Compatibility mode: touch-screen raw
+                                               /* 0x1024d0 – 0x1024d4 Reserved */
+#define FT80X_REG_CTOUCH_EXTENDED    0x1024f4  /* Set capacitive touch operation mode:
+                                                * 0: extended mode (multi-touch)
+                                                * 1: FT800 compatibility mode (single touch) */
+#define FT80X_REG_CTOUCH_REG         0x1024f8  /* CTPM configure register write
+                                                * Bits [7:0]: configure register address
+                                                * Bits [15:8]: configure register value */
+                                               /* 0x1024fc - 0x102504 Reserved */
+#define FT80X_REG_CTOUCH_RAW_XY      0x102508  /* Compatibility mode: touch-screen raw
                                                   * (x-MSB16; y-LSB16) */
-#  define FT80X_REG_CTOUCH_TOUCH1_XY   0x102508  /* Extended mode: touch-screen screen data for touch 1
+#define FT80X_REG_CTOUCH_TOUCH1_XY   0x102508  /* Extended mode: touch-screen screen data for touch 1
                                                   * (x-MSB16; y-LSB16) */
-#  define FT80X_REG_CTOUCH_TOUCH4_Y    0x10250c  /* Extended mode: touch-screen screen Y data for touch 4 */
-#  define FT80X_REG_CTOUCH_SCREEN_XY   0x102510  /* Compatibility mode: touch-screen screen
+#define FT80X_REG_CTOUCH_TOUCH4_Y    0x10250c  /* Extended mode: touch-screen screen Y data for touch 4 */
+#define FT80X_REG_CTOUCH_SCREEN_XY   0x102510  /* Compatibility mode: touch-screen screen
                                                   * (x-MSB16; y-LSB16) */
-#  define FT80X_REG_CTOUCH_TOUCH0_XY   0x102510  /* Extended mode: touch-screen screen data for touch 0
+#define FT80X_REG_CTOUCH_TOUCH0_XY   0x102510  /* Extended mode: touch-screen screen data for touch 0
                                                   * (x-MSB16; y-LSB16) */
-#  define FT80X_REG_CTOUCH_TAG_XY      0x102514  /* Touch-screen screen (x-MSB16; y-LSB16)
+#define FT80X_REG_CTOUCH_TAG_XY      0x102514  /* Touch-screen screen (x-MSB16; y-LSB16)
                                                   * used for tag lookup */
-#  define FT80X_REG_CTOUCH_TAG         0x102518  /* Touch-screen tag result */
-#  define FT80X_REG_CTOUCH_TRANSFORM_A 0x10251c  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_CTOUCH_TRANSFORM_B 0x102520  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_CTOUCH_TRANSFORM_C 0x102524  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_CTOUCH_TRANSFORM_D 0x102528  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_CTOUCH_TRANSFORM_E 0x10252c  /* Touch-screen transform coefficient (s15.16) */
-#  define FT80X_REG_CTOUCH_TRANSFORM_F 0x102530  /* Touch-screen transform coefficient (s15.16) */
-                                                 /* 0x102534 Reserved */
-#  define FT80X_REG_CTOUCH_TOUCH4_X    0x102538  /* Extended mode: touch-screen screen X data for
-                                                  * touch 4 */
-                                                 /* 0x10253c – 0x102450 Reserved */
-#  define FT80X_REG_SCREENSHOT_READ    0x102554  /* Set to enable readout of the screenshot of the
-                                                  * selected Y line */
-                                                 /* 0x10253c – 0x102468 Reserved */
-#  define FT80X_REG_TRIM               0x10256c  /* Internal relaxation clock trimming */
-                                                 /* 0x102570 Reserved */
-#  define FT80X_REG_CTOUCH_DIRECT_XY   0x102574  /* Compatibility mode: Touch screen direct
-                                                  * (x-MSB16; y-LSB16) conversions */
-#  define FT80X_REG_CTOUCH_TOUCH2_XY   0x102574  /* Extended mode: touch-screen screen data for
-                                                  * touch 2 (x-MSB16; y-LSB16) */
-#  define FT80X_REG_CTOUCH_DIRECT_Z1Z2 0x102578  /* Compatibility mode: Touch screen direct
-                                                  * (z1-MSB16; z2-LSB16) conversions */
-#  define FT80X_REG_CTOUCH_TOUCH3_XY   0x102578  /* Extended mode: touch-screen screen data for
-                                                  * touch 3 (x-MSB16; y-LSB16) */
+#define FT80X_REG_CTOUCH_TAG         0x102518  /* Touch-screen tag result */
+#define FT80X_REG_CTOUCH_TRANSFORM_A 0x10251c  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_CTOUCH_TRANSFORM_B 0x102520  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_CTOUCH_TRANSFORM_C 0x102524  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_CTOUCH_TRANSFORM_D 0x102528  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_CTOUCH_TRANSFORM_E 0x10252c  /* Touch-screen transform coefficient (s15.16) */
+#define FT80X_REG_CTOUCH_TRANSFORM_F 0x102530  /* Touch-screen transform coefficient (s15.16) */
+                                               /* 0x102534 Reserved */
+#define FT80X_REG_CTOUCH_TOUCH4_X    0x102538  /* Extended mode: touch-screen screen X data for
+                                                * touch 4 */
+                                               /* 0x10253c – 0x102450 Reserved */
+#define FT80X_REG_SCREENSHOT_READ    0x102554  /* Set to enable readout of the screenshot of the
+                                                * selected Y line */
+                                               /* 0x10253c – 0x102468 Reserved */
+#define FT80X_REG_TRIM               0x10256c  /* Internal relaxation clock trimming */
+                                               /* 0x102570 Reserved */
+#define FT80X_REG_CTOUCH_DIRECT_XY   0x102574  /* Compatibility mode: Touch screen direct
+                                                * (x-MSB16; y-LSB16) conversions */
+#define FT80X_REG_CTOUCH_TOUCH2_XY   0x102574  /* Extended mode: touch-screen screen data for
+                                                * touch 2 (x-MSB16; y-LSB16) */
+#define FT80X_REG_CTOUCH_DIRECT_Z1Z2 0x102578  /* Compatibility mode: Touch screen direct
+                                                * (z1-MSB16; z2-LSB16) conversions */
+#define FT80X_REG_CTOUCH_TOUCH3_XY   0x102578  /* Extended mode: touch-screen screen data for
+                                                * touch 3 (x-MSB16; y-LSB16) */
 #endif
 
 #define FT80X_REG_TRACKER              0x109000  /* Track register (Track value – MSB16;
                                                   * Tag value - LSB8) */
 
-/* FT80x Register Bit Definitions ***********************************************************/
+/* FT80x Register Bit Definitions *******************************************/
 
 /* FT80X_REG_ID */
 
@@ -416,7 +432,9 @@
                                                   * the screen immediately after the current
                                                   * frame is scanned out (recommended).
                                                   */
+
 /* FT80X_REG_SOUND */
+
 /* Sound effect (Bits 0-7) */
 
 #define FT08X_EFFECT_SILENCE           0x00      /* Silence */
@@ -571,90 +589,104 @@
 
 /* FT80X_REG_GPIO */
 
-                                                 /* Bits 0-1:  GPIO 0-1 value */
-                                                 /* Bits 2-3:  MISO and nINT drive strength */
-                                                 /* Bits 4:    Display signal drive strength */
-#define FT80X_GPIO_DRIVE_SHIFT         5         /* Bits 5-6:  GPIO output drive strength */
-#define FT80X_GPIO_DRIVE_MASK          (3 << FT80X_GPIO_DRIVE_SHIFT)
-#  define FT80X_GPIO_DRIVE_4MA         (0 << FT80X_GPIO_DRIVE_SHIFT)
-#  define FT80X_GPIO_DRIVE_8MA         (1 << FT80X_GPIO_DRIVE_SHIFT)
-#  define FT80X_GPIO_DRIVE_12MA        (2 << FT80X_GPIO_DRIVE_SHIFT)
-#  define FT80X_GPIO_DRIVE_16MA        (3 << FT80X_GPIO_DRIVE_SHIFT)
-                                                 /* Bit 7:     GPIO 7 value */
+/* Bits 0-1:  GPIO 0-1 value */
+
+/* Bits 2-3:  MISO and nINT drive strength */
+
+/* Bits 4:    Display signal drive strength */
+
+#define FT80X_GPIO_DRIVE_SHIFT     5    /* Bits 5-6:  GPIO output drive strength */
+#define FT80X_GPIO_DRIVE_MASK     (3 << FT80X_GPIO_DRIVE_SHIFT)
+#define FT80X_GPIO_DRIVE_4MA    (0 << FT80X_GPIO_DRIVE_SHIFT)
+#define FT80X_GPIO_DRIVE_8MA    (1 << FT80X_GPIO_DRIVE_SHIFT)
+#define FT80X_GPIO_DRIVE_12MA   (2 << FT80X_GPIO_DRIVE_SHIFT)
+#define FT80X_GPIO_DRIVE_16MA   (3 << FT80X_GPIO_DRIVE_SHIFT)
+                                            /* Bit 7:     GPIO 7 value */
 
 /* FT80X_REG_PLAYBACK_FORMAT */
 
-#define AUDIO_FORMAT_LINEAR            0         /* Linear Sample format */
-#define AUDIO_FORMAT_ULAW              1         /* uLaw Sample format */
-#define AUDIO_FORMAT_ADPCM             2         /* 4-bit IMA ADPCM Sample format */
+#define AUDIO_FORMAT_LINEAR       0    /* Linear Sample format */
+#define AUDIO_FORMAT_ULAW         1    /* uLaw Sample format */
+#define AUDIO_FORMAT_ADPCM        2    /* 4-bit IMA ADPCM Sample format */
 
 /* FT80X_REG_TOUCH_TAG */
 
-#define TOUCH_TAG_MASK                 0xff      /* Bits 0-7: Tag of touched graphic object */
+#define TOUCH_TAG_MASK            0xff      /* Bits 0-7: Tag of touched graphic object */
 
 /* FT80X_REG_TOUCH_MODE */
 
-#define TOUCH_MODE_OFF                 0         /* Acquisition stopped, touch detection
+#define TOUCH_MODE_OFF            0         /* Acquisition stopped, touch detection
                                                   * interrupt is still valid. */
-#define TOUCH_MODE_ONESHOT             1         /* Perform acquisition once every write of 1
-                                                  * to REG_TOUCH_MODE. */
-#define TOUCH_MODE_FRAMESYNC           2         /* Perform acquisition for every frame sync
-                                                  * (~60 data acquisition/second). */
-#define TOUCH_MODE_CONTINUOUS          3         /* Perform acquisition continuously at
-                                                  * approximately 1000 data acquisition /
+#define TOUCH_MODE_ONESHOT        1         /* Perform acquisition once every write of 1
+                                             * to REG_TOUCH_MODE. */
+#define TOUCH_MODE_FRAMESYNC      2         /* Perform acquisition for every frame sync
+                                             * (~60 data acquisition/second). */
+#define TOUCH_MODE_CONTINUOUS     3         /* Perform acquisition continuously at
+                                         * approximately 1000 data acquisition /
                                                   * second. */
 
-/* Interrupts *******************************************************************************/
-/* The interrupt output pin is enabled by REG_INT_EN.  When REG_INT_EN is 0, INT_N is
- * tri-state (pulled to high by external pull-up resistor).  When REG_INT_EN is 1, INT_N is
- * driven low when any of the interrupt flags in REG_INT_FLAGS are high, after masking with
- * REG_INT_MASK. Writing a '1' in any bit of REG_INT_MASK will enable the correspond
- * interrupt.  Each bit in REG_INT_FLAGS is set by a corresponding interrupt source.
- * REG_INT_FLAGS is readable by the host at any time, and clears when read.
+/* Interrupts ***************************************************************/
+
+/* The interrupt output pin is enabled by REG_INT_EN.  When REG_INT_EN is 0,
+ * INT_N is tri-state (pulled to high by external pull-up resistor).
+ * When REG_INT_EN is 1, INT_N is driven low when any of the interrupt flags
+ *  in REG_INT_FLAGS are high, after masking with REG_INT_MASK.
+ * Writing a '1' in any bit of REG_INT_MASK will enable the correspond
+ * interrupt.  Each bit in REG_INT_FLAGS is set by a corresponding interrupt
+ * source. REG_INT_FLAGS is readable by the host at any time, and clears when
+ * read.
  */
 
 /* FT80X_REG_INT_EN */
 
-#define FT80X_INT_ENABLE               (0)       /* Bit 0: 0=Interrupts disabled */
-#define FT80X_INT_DISABLE              (1 << 0)  /*        1=Interrupts enabled */
+#define FT80X_INT_ENABLE          (0)       /* Bit 0: 0=Interrupts disabled */
+#define FT80X_INT_DISABLE         (1 << 0)  /*        1=Interrupts enabled */
 
 /* FT80X_REG_INT_FLAGS and FT80X_REG_INT_MASK */
 
-#define FT80X_INT_SWAP                 (1 << 0)  /* Bit 0: Display swap occurred */
-#define FT80X_INT_TOUCH                (1 << 1)  /* Bit 1: Touch-screen touch detected */
-#define FT80X_INT_TAG                  (1 << 2)  /* Bit 2: Touch-screen tag value change */
-#define FT80X_INT_SOUND                (1 << 3)  /* Bit 3: Sound effect ended */
-#define FT80X_INT_PLAYBACK             (1 << 4)  /* Bit 4: Audio playback ended */
-#define FT80X_INT_CMDEMPTY             (1 << 5)  /* Bit 5: Command FIFO empty */
-#define FT80X_INT_CMDFLAG              (1 << 6)  /* Bit 6: Command FIFO flag */
-#define FT80X_INT_CONVCOMPLETE         (1 << 7)  /* Bit 7: Touch-screen conversions completed */
+#define FT80X_INT_SWAP            (1 << 0)  /* Bit 0: Display swap occurred */
+#define FT80X_INT_TOUCH           (1 << 1)  /* Bit 1: Touch-screen touch detected */
+#define FT80X_INT_TAG             (1 << 2)  /* Bit 2: Touch-screen tag value change */
+#define FT80X_INT_SOUND           (1 << 3)  /* Bit 3: Sound effect ended */
+#define FT80X_INT_PLAYBACK        (1 << 4)  /* Bit 4: Audio playback ended */
+#define FT80X_INT_CMDEMPTY        (1 << 5)  /* Bit 5: Command FIFO empty */
+#define FT80X_INT_CMDFLAG         (1 << 6)  /* Bit 6: Command FIFO flag */
+#define FT80X_INT_CONVCOMPLETE    (1 << 7)  /* Bit 7: Touch-screen conversions completed */
 
 #define FT80X_INT_NEVENTS              8
 #define FT80X_INT(n)                   (1 << (n))
 
-/* FT80x Display List Commands **************************************************************/
-/* Host commands.  3 byte commands.  The first byte begins with [7:6]==01.  Bits [5:0] of
- * the first byte are actual command.  The following two bytes must be zero.
+/* FT80x Display List Commands **********************************************/
+
+/* Host commands.  3 byte commands.
+ * The first byte begins with [7:6]==01.
+ * Bits [5:0] of the first byte are actual command.
+ * The following two bytes must be zero.
  */
 
-#define FT80X_CMD_ACTIVE           0x00        /* Switch from Standby/Sleep modes to active mode */
-#define FT80X_CMD_STANDBY          0x41        /* Put FT80x core to standby mode */
-#define FT80X_CMD_SLEEP            0x42        /* Put FT80x core to sleep mode */
-#define FT80X_CMD_CLKEXT           0x44        /* Enable PLL input from oscillator or external clock */
-#define FT80X_CMD_PWRDOWN          0x50        /* Switch off 1.2V internal regulator */
-#define FT80X_CMD_CLK36M           0x61        /* Switch PLL output clock to 36MHz */
-#define FT80X_CMD_CLK48M           0x62        /* Switch PLL output clock to 48MHz (default). */
-#define FT80X_CMD_CORERST          0x68        /* Send reset pulse to FT800 core */
+#define FT80X_CMD_ACTIVE       0x00   /* Switch from Standby/Sleep modes to active mode */
+#define FT80X_CMD_STANDBY      0x41   /* Put FT80x core to standby mode */
+#define FT80X_CMD_SLEEP        0x42   /* Put FT80x core to sleep mode */
+#define FT80X_CMD_CLKEXT       0x44   /* Enable PLL input from oscillator or external clock */
+#define FT80X_CMD_PWRDOWN      0x50   /* Switch off 1.2V internal regulator */
+#define FT80X_CMD_CLK36M       0x61   /* Switch PLL output clock to 36MHz */
+#define FT80X_CMD_CLK48M       0x62   /* Switch PLL output clock to 48MHz (default). */
+#define FT80X_CMD_CORERST      0x68   /* Send reset pulse to FT800 core */
 
 /* Display list command encoding
  *
- * Each display list command has a 32-bit encoding. The most significant bits
- * of the code determine the command.  Command parameters (if any) are present
- * in the least significant bits. Any bits marked reserved must be zero.
+ * Each display list command has a 32-bit encoding.
+ * The most significant bits of the code determine the command.
+ * Command parameters (if any) are present in the least significant bits.
+ * Any bits marked reserved must be zero.
+ */
+
+/* FT800 graphics engine specific macros useful for static display list
+ * generation
  */
 
-/* FT800 graphics engine specific macros useful for static display list generation */
 /* Setting Graphics state */
+
 /* ALPHA_FUNC (0x09) - Set the alpha test function */
 
 #define FT80X_ALPHA_FUNC(func,ref) \
@@ -821,12 +853,16 @@
 #define FT80X_SCISSOR_SIZE(width,height) \
   ((28 << 24) | (((width) & 1023) << 10) | (((height) & 1023) << 0))
 
-/* SCISSOR_XY (0x1b) - Set the top left corner of the scissor clip rectangle */
+/* SCISSOR_XY (0x1b)
+ *  Set the top left corner of the scissor clip rectangle
+ */
 
 #define FT80X_SCISSOR_XY(x,y) \
   ((27 << 24) | (((x) & 511) << 9) | (((y) & 511) << 0))
 
-/* STENCIL_FUNC (0x0a) - Set function and reference value for stencil testing */
+/* STENCIL_FUNC (0x0a)
+ *  Set function and reference value for stencil testing
+ */
 
 #define FT80X_STENCIL_FUNC(func,ref,mask) \
   ((10 << 24) | (((func) & 7) << 16) | (((ref) & 255) << 8) | (((mask) & 255) << 0))
@@ -874,6 +910,7 @@
   ((20 << 24) | (((mask) & 1) << 0))
 
 /* Drawing actions */
+
 /* BEGIN (0x1f) - Start drawing a graphics primitive */
 
 #define FT80X_BEGIN(prim) \
@@ -908,6 +945,7 @@
    (((handle) & 31) << 7) | (((cell) & 127) << 0))
 
 /* Execution control */
+
 /* JUMP (0x1e) - Execute commands at another location in the display list */
 
 #define FT80X_JUMP(dest) \
@@ -937,10 +975,12 @@
 
 /* FT80x Graphic Engine Co-processor commands.
  *
- * Like the 32-bit commands above, these commands are elements of the display list.
- * Unlike the 32-bit commands, these all begin with 0xffffffxx and consist of multiple
- * 32-bit words.  In all cases, byte data such as strings must be padded to the even
- * 32-bit boundaries.
+ * Like the 32-bit commands above, these commands are elements of the display
+ * list.
+ * Unlike the 32-bit commands, these all begin with 0xffffffxx and consist of
+ * multiple 32-bit words.
+ * In all cases, byte data such as strings must be padded to the even32-bit
+ * boundaries.
  */
 
 #define FT80X_CMD_APPEND           0xffffff1e  /* Append memory to a display list */
@@ -1019,14 +1059,16 @@
 #define FT80X_OPT_NOHANDS          0x0000c000  /* Co-processor clock widget is drawn without hour, minutes or
                                                 * seconds hands */
 
-/********************************************************************************************
+/****************************************************************************
  * Public Types
- ********************************************************************************************/
+ ****************************************************************************/
 
-/* FT80x Lower Half Interface Definitions ***************************************************/
-/* Pins relevant to software control.  The FT80X is a 48-pin part.  Most of the pins are
- * associated with the TFT panel and other board-related support.  A few a relevant to
- * software control of the part.  Those are listed here:
+/* FT80x Lower Half Interface Definitions ***********************************/
+
+/* Pins relevant to software control.
+ *  The FT80X is a 48-pin part.  Most of the pins are associated with the TFT
+ *  panel and other board-related support.
+ * A few a relevant to software control of the part.  Those are listed here:
  *
  * FT80X PIN  DIR DESCRIPTION
  *  3          I  SPI: SCLK, I2C: SCL
@@ -1036,24 +1078,28 @@
  *  11        OD  nINT Host interrupt
  *  12         *  nPD  Power down input
  *
- * In addition, if there is a audio amplifier on board (such as TPA6205A or LM4864), then
- * there may also be an active low audio shutdown output:
+ * In addition, if there is a audio amplifier on board (such as TPA6205A or
+ * LM4864), then there may also be an active low audio shutdown output:
  *
  *  N/A        O  nSHDN Audio shutdown (active low)
  *
- * REVISIT:  In all of the architectures that I am aware of, the audio amplifier is
- * controlled by GPIOs driven by the FT80x and, hence, not controllable by board logic.
+ * REVISIT:
+ *  In all of the architectures that I am aware of, the audio amplifier is
+ *  controlled by GPIOs driven by the FT80x and, hence, not controllable by
+ *  board logic.
  *
- * SCL/SDA, SCLK/MISO/MOSI/nCS are handled by generic I2C or SPI logic. nInt and nPD are
- * directly managed by this interface.
+ * SCL/SDA, SCLK/MISO/MOSI/nCS are handled by generic I2C or SPI logic.
+ * nInt and nPD are directly managed by this interface.
  */
 
-/* A reference to a structure of this type must be passed to the FT80X driver.  This
- * structure provides information about the configuration of the FT80X and provides some
- * board-specific hooks.
+/* A reference to a structure of this type must be passed to the FT80X
+ * driver.
+ * This structure provides information about the configuration of the FT80X
+ * and provides some board-specific hooks.
  *
- * Memory for this structure is provided by the caller.  It is not copied by the driver and
- * is presumed to persist while the driver is active.  The memory may be read-only.
+ * Memory for this structure is provided by the caller.
+ * It is not copied by the driver and is presumed to persist while
+ * the driver is active.  The memory may be read-only.
  */
 
 struct ft80x_config_s
@@ -1066,16 +1112,19 @@ struct ft80x_config_s
   uint8_t address;          /* 7-bit I2C address */
 #endif
 
-  /* IRQ/GPIO access callbacks.  These operations all hidden behind callbacks to isolate the
-   * FT80X driver from differences in GPIO interrupt handling by varying boards and MCUs.
+  /* IRQ/GPIO access callbacks.
+   *  These operations all hidden behind callbacks to isolate the FT80X
+   *  driver from differences in GPIO interrupt handling by varying
+   *  boards and MCUs.
    * Interrupts should be configured on the falling edge of nINT.
    *
    *   attach  - Attach the ADS7843E interrupt handler to the GPIO interrupt
    *   enable  - Enable or disable the GPIO interrupt
    *   clear   - Acknowledge/clear any pending GPIO interrupt as necessary.
    *   pwrdown - Power the FT80X up or down.
-   *   audio   - Enable audio (i.e., set the external audio amplifier shutdown pin to the
-   *             appropriate level to enable or disable the external audio amplifier)
+   *   audio   - Enable audio (i.e., set the external audio amplifier
+   *             shutdown pin to the appropriate level to enable or disable
+   *             the external audio amplifier)
    *   destroy - The driver has been unlinked. Cleanup as necessary.
    */
 
@@ -1092,7 +1141,8 @@ struct ft80x_config_s
 #endif
 };
 
-/* FT80x Display List Command Structures ****************************************************/
+/* FT80x Display List Command Structures ************************************/
+
 /* This structure describes one generic display list command */
 
 struct ft80x_dlcmd_s
@@ -1101,6 +1151,7 @@ struct ft80x_dlcmd_s
 };
 
 /* Specific display list command structures */
+
 /* 32-bit commands */
 
 struct ft80x_cmd32_s
@@ -1245,7 +1296,9 @@ struct ft80x_cmd_getmatrix_s
   int32_t f;        /* 24: Matrix coefficient F (output) */
 };
 
-/* FT80X_CMD_GETPROPS - Get info for image in RAM_G from last CMD_LOADIMAGE command */
+/* FT80X_CMD_GETPROPS - Get info for image in RAM_G from last
+ * CMD_LOADIMAGE command
+ */
 
 struct ft80x_cmd_getprops_s
 {
@@ -1591,9 +1644,11 @@ struct ft80x_cmd_translate_s
   int32_t ty;       /* 8:  Y translate factor (b16) (input) */
 };
 
-/* FT80x IOCTL Argument Structures **********************************************************/
-/* This container structure is used by FT80X_IOC_CREATEDL and FT80X_IOC_APPENDDL.  It
- * defines the list of display commands to be written into display list memory.
+/* FT80x IOCTL Argument Structures ******************************************/
+
+/* This container structure is used by FT80X_IOC_CREATEDL and
+ * FT80X_IOC_APPENDDL.  It defines the list of display commands
+ * to be written into display list memory.
  */
 
 struct ft80x_displaylist_s
@@ -1602,12 +1657,13 @@ struct ft80x_displaylist_s
   struct ft80x_dlcmd_s cmd; /* First command in the display list  */
 };
 
-/* This structure is used with the FT80X_IOC_GETRAMDL, FT80X_IOC_PUTRAMG, and
- * FT80X_IOC_PUTRAMCMD IOCTL commands to access particular memory regions via an offset.
+/* This structure is used with the FT80X_IOC_GETRAMDL, FT80X_IOC_PUTRAMG,
+ * and FT80X_IOC_PUTRAMCMD IOCTL commands to access particular memory
+ * regions via an offset.
  *
  * NOTES:
- *   - For FT80X_IOC_GET* commands, the value is an output; for FT80X_IOC_PUT* command, the
- *     value is an input.
+ *   - For FT80X_IOC_GET* commands, the value is an output;
+ *     for FT80X_IOC_PUT* command, the value is an input.
  */
 
 struct ft80x_relmem_s
@@ -1617,8 +1673,8 @@ struct ft80x_relmem_s
   FAR void *value;         /* Value(s) read from memory base + offset */
 };
 
-/* This structure is used with the FT80X_IOC_EVENTNOTIFY IOCTL command to describe
- * the requested event notification.
+/* This structure is used with the FT80X_IOC_EVENTNOTIFY IOCTL command to
+ * describe the requested event notification.
  */
 
 enum ft80x_notify_e
@@ -1645,8 +1701,8 @@ struct ft80x_notify_s
  * IOCTL commands to describe the requested register access.
  *
  * NOTES:
- *   - For FT80X_IOC_GETREGnn, the value is an output; for FT80X_IOC_PUTREGnn,
- *     the value is an input.
+ *   - For FT80X_IOC_GETREGnn, the value is an output;
+ *     for FT80X_IOC_PUTREGnn, the value is an input.
  *   - The union field used to access the register value depends on the width
  *     of the requested access.
  */
@@ -1664,22 +1720,22 @@ struct ft80x_register_s
 
 struct ft80x_registers_s
 {
-  uint32_t addr;             /* 32-bit aligned start register address */
-  uint8_t nregs;             /* Number of 32-bit registers to be accessed */
-  FAR uint32_t *value;       /* A pointer to an array of 32-bit register values */
+  uint32_t addr;        /* 32-bit aligned start register address */
+  uint8_t nregs;        /* Number of 32-bit registers to be accessed */
+  FAR uint32_t *value;  /* A pointer to an array of 32-bit register values */
 };
 
 /* Used with FT80X_IOC_FADE: */
 
 struct ft80x_fade_s
 {
-  uint8_t duty ;             /* Terminal backlight duty as a percentage (0-100) */
-  uint16_t delay;            /* Total number of milliseconds for the fade (10-16700)*/
+  uint8_t duty ;   /* Terminal backlight duty as a percentage (0-100) */
+  uint16_t delay;  /* Total number of milliseconds for the fade (10-16700) */
 };
 
-/********************************************************************************************
+/****************************************************************************
  * Public Function Prototypes
- ********************************************************************************************/
+ ****************************************************************************/
 
 #ifdef __cplusplus
 #define EXTERN extern "C"
@@ -1689,12 +1745,13 @@ extern "C"
 #define EXTERN extern
 #endif
 
-/********************************************************************************************
+/****************************************************************************
  * Name: ft80x_register
  *
  * Description:
- *   Configure the ADS7843E to use the provided SPI device instance.  This will register
- *   the driver as /dev/ft800 or /dev/ft801, depending upon the configuration.
+ *   Configure the ADS7843E to use the provided SPI device instance.
+ *   This will register the driver as /dev/ft800 or /dev/ft801, depending
+ *   upon the configuration.
  *
  * Input Parameters:
  *   spi   - An SPI driver instance
@@ -1702,10 +1759,11 @@ extern "C"
  *   lower - Persistent board configuration data / lower half interface
  *
  * Returned Value:
- *   Zero is returned on success.  Otherwise, a negated errno value is returned to indicate
- *   the nature of the failure.
+ *   Zero is returned on success.
+ *   Otherwise, a negated errno value is returned to indicate the nature of
+ *   the failure.
  *
- ********************************************************************************************/
+ ****************************************************************************/
 
 #if defined(CONFIG_LCD_FT80X_SPI)
 int ft80x_register(FAR struct spi_dev_s *spi,
diff --git a/include/nuttx/lcd/hd4478ou.h b/include/nuttx/lcd/hd4478ou.h
index d778a53..bf13756 100644
--- a/include/nuttx/lcd/hd4478ou.h
+++ b/include/nuttx/lcd/hd4478ou.h
@@ -1,4 +1,4 @@
-/********************************************************************************************
+/****************************************************************************
  * include/nuttx/lcd/hd4478ou.h
  *
  * Definitions for the Hitachi HD44780U LCD controller (as used in the
@@ -34,14 +34,15 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ********************************************************************************************/
+ ****************************************************************************/
 
 #ifndef __INCLUDE_NUTTX_HD4478OU_H
 #define __INCLUDE_NUTTX_HD4478OU_H
 
-/********************************************************************************************
+/****************************************************************************
  * Included Files
- ********************************************************************************************/
+ ****************************************************************************/
+
 /* Command set:
  *
  *   RS=0 R/W=0 : Command
@@ -94,38 +95,40 @@
 #define HD4478OU_DDRAM_ROW0       0x00
 #define HD4478OU_DDRAM_ROW1       0x40
 
-/********************************************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- ********************************************************************************************/
+ ****************************************************************************/
 
-/********************************************************************************************
+/****************************************************************************
  * Public Types
- ********************************************************************************************/
+ ****************************************************************************/
 
-/********************************************************************************************
+/****************************************************************************
  * Public Data
- ********************************************************************************************/
+ ****************************************************************************/
 
 #ifdef __cplusplus
 extern "C"
 {
 #endif
 
-/********************************************************************************************
+/****************************************************************************
  * Public Function Prototypes
- ********************************************************************************************/
+ ****************************************************************************/
 
-/********************************************************************************************
+/****************************************************************************
  * Name:  up_lcd1602_initialize
  *
  * Description:
- *   The LCD1602 is an HD4478OU-based LCD from Wave share.  This function initializes the
- *   LCD1602 hardware and registers the character driver as /dev/lcd1602.
+ *   The LCD1602 is an HD4478OU-based LCD from Wave share.
+ *   This function initializes the LCD1602 hardware and registers the
+ *   character driver as /dev/lcd1602.
  *
- *  NOTE:  This common interface definition is provided, however, the underlying
+ *  NOTE:
+ *  This common interface definition is provided, however, the underlying
  *  implemenataton is always board-specific for this LCD.
  *
- ********************************************************************************************/
+ ****************************************************************************/
 
 int up_lcd1602_initialize(void);
 
diff --git a/include/nuttx/lcd/ili9325.h b/include/nuttx/lcd/ili9325.h
index 94bea4c..b0f1dfd 100644
--- a/include/nuttx/lcd/ili9325.h
+++ b/include/nuttx/lcd/ili9325.h
@@ -1,4 +1,4 @@
-/**************************************************************************************
+/****************************************************************************
  * include/nuttx/lcd/ili9325.h
  *
  *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
@@ -31,25 +31,26 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- **************************************************************************************/
+ ****************************************************************************/
 
 #ifndef __INCLUDE_NUTTX_LCD_ILI9325_H
 #define __INCLUDE_NUTTX_LCD_ILI9325_H
 
-/**************************************************************************************
+/****************************************************************************
  * Included Files
- **************************************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/config.h>
 
-/**************************************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- **************************************************************************************/
+ ****************************************************************************/
+
 /* ILI9325 ID code */
 
 #define ILI9325_DEVICE_CODE                    0x9325
 
-/* ILI9325 LCD Register Addresses *****************************************************/
+/* ILI9325 LCD Register Addresses *******************************************/
 
 #define ILI9325_DEVICE_CODE_REG                0x00 /* Driver Code Register */
 #define ILI9325_START_OSC_CTRL                 0x00 /* Start Oscillator Control */
@@ -103,7 +104,8 @@
 #define ILI9325_OTP_VCM_STATUS_AND_ENABLE      0xa2 /* OTP VCM Status and Enable */
 #define ILI9325_OTP_PROG_ID_KEY                0xa5 /* OTP Programming ID Key */
 
-/* ILI9325 LCD Register Bit Definitions ***********************************************/
+/* ILI9325 LCD Register Bit Definitions *************************************/
+
 /* ILI9325_START_OSC_CTRL, Start Oscillator Control, Offset: 0x00)  */
 
 #define ILI9325_START_OSC_CTRL_EN              (1 << 0)
@@ -184,7 +186,9 @@
 #  define ILI9325_DISP_CTRL4_FMI(n)            ((uint16_t)(n) << ILI9325_DISP_CTRL4_FMI_SHIFT)
 #define ILI9325_DISP_CTRL4_FMARKOE             (1 << 3)
 
-/* ILI9325_RGB_DISP_INTERFACE_CTRL1, RGB Display Interface Control 1, Offset: 0x0c */
+/* ILI9325_RGB_DISP_INTERFACE_CTRL1,
+ * RGB Display Interface Control 1, Offset: 0x0c
+ */
 
 #define ILI9325_RGB_DISP_INTERFACE_CTRL1_RIM_SHIFT 0
 #define ILI9325_RGB_DISP_INTERFACE_CTRL1_RIM_MASK  (3 << ILI9325_RGB_DISP_INTERFACE_CTRL1_RIM_SHIFT)
@@ -205,7 +209,9 @@
 #define ILI9325_FRAME_MAKER_SHIFT_FMP_MASK     (0x1ff << ILI9325_FRAME_MAKER_SHIFT_FMP_SHIFT)
 #  define ILI9325_FRAME_MAKER_SHIFT_FMP(n)     ((uint16_t)(n) << ILI9325_FRAME_MAKER_SHIFT_FMP_SHIFT)
 
-/* ILI9325_RGB_DISP_INTERFACE_CTRL2, RGB Display Interface Control 2, Offset: 0x0f */
+/* ILI9325_RGB_DISP_INTERFACE_CTRL2,
+ * RGB Display Interface Control 2, Offset: 0x0f
+ */
 
 #define ILI9325_RGB_DISP_INTERFACE_CTRL2_EPL   (1 << 0)
 #define ILI9325_RGB_DISP_INTERFACE_CTRL2_DPL   (1 << 1)
@@ -252,13 +258,17 @@
 #define ILI9325_POWER_CTRL4_VDV_MASK           (0x1f << ILI9325_POWER_CTRL4_VDV_SHIFT)
 #  define ILI9325_POWER_CTRL4_VDV(n)           ((uint16_t)(n) << ILI9325_POWER_CTRL4_VDV_SHIFT)
 
-/* ILI9325_HORIZONTAL_GRAM_ADDR_SET, Horizontal GRAM Address Set, Offset: 0x20 */
+/* ILI9325_HORIZONTAL_GRAM_ADDR_SET,
+ * Horizontal GRAM Address Set, Offset: 0x20
+ */
 
 #define ILI9325_HORIZONTAL_GRAM_ADDR_SET_AD_SHIFT 0
 #define ILI9325_HORIZONTAL_GRAM_ADDR_SET_AD_MASK  (0xff << ILI9325_HORIZONTAL_GRAM_ADDR_SET_AD_SHIFT)
 #  define ILI9325_HORIZONTAL_GRAM_ADDR_SET_AD(n)  ((uint16_t)(n) << ILI9325_HORIZONTAL_GRAM_ADDR_SET_AD_SHIFT)
 
-/* ILI9325_VERTICAL_GRAM_ADDR_SET, Vertical  GRAM Address Set, Offset: 0x21 */
+/* ILI9325_VERTICAL_GRAM_ADDR_SET,
+ * Vertical  GRAM Address Set, Offset: 0x21
+ */
 
 #define ILI9325_VERTICAL_GRAM_ADDR_SET_AD_SHIFT 0
 #define ILI9325_VERTICAL_GRAM_ADDR_SET_AD_MASK  (0xff << ILI9325_VERTICAL_GRAM_ADDR_SET_AD_SHIFT)
@@ -270,7 +280,9 @@
 #define ILI9325_POWER_CTRL7_VCM_MASK           (0x3f << ILI9325_POWER_CTRL7_VCM_SHIFT)
 #define ILI9325_POWER_CTRL7_VCM(n)             ((uint16_t)(n) << ILI9325_POWER_CTRL7_VCM_SHIFT)
 
-/* ILI9325_FRAME_RATE_AND_COLOR_CTRL, Frame Rate and Color Control, Offset: 0x2b */
+/* ILI9325_FRAME_RATE_AND_COLOR_CTRL,
+ * Frame Rate and Color Control, Offset: 0x2b
+ */
 
 #define ILI9325_FRAME_RATE_AND_COLOR_CTRL_FRS_SHIFT 0
 #define ILI9325_FRAME_RATE_AND_COLOR_CTRL_FRS_MASK  (0xf << ILI9325_FRAME_RATE_AND_COLOR_CTRL_FRS_SHIFT)
@@ -366,31 +378,41 @@
 #define ILI9325_GAMMA_CTRL10_VRN1_MASK         (0x1f << ILI9325_GAMMA_CTRL10_VRN1_SHIFT)
 #  define ILI9325_GAMMA_CTRL10_VRN1(n)         ((uint16_t)(n) << ILI9325_GAMMA_CTRL10_VRN1_SHIFT)
 
-/* ILI9325_HORIZONTAL_ADDR_START, Horizontal Address Start Position, Offset: 0x50 */
+/* ILI9325_HORIZONTAL_ADDR_START,
+ * Horizontal Address Start Position, Offset: 0x50
+ */
 
 #define ILI9325_HORIZONTAL_ADDR_START_HSA_SHIFT 0
 #define ILI9325_HORIZONTAL_ADDR_START_HSA_MASK  (0xff << ILI9325_HORIZONTAL_ADDR_START_HSA_SHIFT)
 #define ILI9325_HORIZONTAL_ADDR_START_HSA(n)    ((uint16_t)(n) << ILI9325_HORIZONTAL_ADDR_START_HSA_SHIFT)
 
-/* ILI9325_HORIZONTAL_ADDR_END, Horizontal Address End Position, Offset: 0x51 */
+/* ILI9325_HORIZONTAL_ADDR_END,
+ * Horizontal Address End Position, Offset: 0x51
+ */
 
 #define ILI9325_HORIZONTAL_ADDR_END_HEA_SHIFT  0
 #define ILI9325_HORIZONTAL_ADDR_END_HEA_MASK   (0xff << ILI9325_HORIZONTAL_ADDR_END_HEA_SHIFT)
 #  define ILI9325_HORIZONTAL_ADDR_END_HEA(n)   ((uint16_t)(n) << ILI9325_HORIZONTAL_ADDR_END_HEA_SHIFT)
 
-/* ILI9325_VERTICAL_ADDR_START, Vertical Address Start Position, Offset: 0x52 */
+/* ILI9325_VERTICAL_ADDR_START,
+ * Vertical Address Start Position, Offset: 0x52
+ */
 
 #define ILI9325_VERTICAL_ADDR_START_VSA_SHIFT  0
 #define ILI9325_VERTICAL_ADDR_START_VSA_MASK   (0x1ff << ILI9325_VERTICAL_ADDR_START_VSA_SHIFT)
 #  define ILI9325_VERTICAL_ADDR_START_VSA(n)   ((uint16_t)(n) << ILI9325_VERTICAL_ADDR_START_VSA_SHIFT)
 
-/* ILI9325_VERTICAL_ADDR_END, Vertical Address End Position, Offset: 0x53 */
+/* ILI9325_VERTICAL_ADDR_END,
+ * Vertical Address End Position, Offset: 0x53
+ */
 
 #define ILI9325_VERTICAL_ADDR_END_VEA_SHIFT    0
 #define ILI9325_VERTICAL_ADDR_END_VEA_MASK     (0x1ff << ILI9325_VERTICAL_ADDR_END_VEA_SHIFT)
 #  define ILI9325_VERTICAL_ADDR_END_VEA(n)     ((uint16_t)(n) << ILI9325_VERTICAL_ADDR_END_VEA_SHIFT)
 
-/* ILI9325_DRIVER_OUTPUT_CTRL2, Driver Output Control 2, Offset: 0x60 */
+/* ILI9325_DRIVER_OUTPUT_CTRL2,
+ * Driver Output Control 2, Offset: 0x60
+ */
 
 #define ILI9325_DRIVER_OUTPUT_CTRL2_SCN_SHIFT  0
 #define ILI9325_DRIVER_OUTPUT_CTRL2_SCN_MASK   (0x3f << ILI9325_DRIVER_OUTPUT_CTRL2_SCN_SHIFT)
@@ -400,55 +422,73 @@
 #  define ILI9325_DRIVER_OUTPUT_CTRL2_NL(n)    ((uint16_t)(n) << ILI9325_DRIVER_OUTPUT_CTRL2_NL_SHIFT)
 #define ILI9325_DRIVER_OUTPUT_CTRL2_GS         (1 << 15)
 
-/* ILI9325_BASE_IMG_DISP_CTRL, Base Image Display Control, Offset: 0x61 */
+/* ILI9325_BASE_IMG_DISP_CTRL,
+ * Base Image Display Control, Offset: 0x61
+ */
 
 #define ILI9325_BASE_IMG_DISP_CTRL_REV         (1 << 0)
 #define ILI9325_BASE_IMG_DISP_CTRL_VLE         (1 << 1)
 #define ILI9325_BASE_IMG_DISP_CTRL_NDL         (1 << 2)
 
-/* ILI9325_VERTICAL_SCROLL_CTRL, Vertical Scroll Control, Offset: 0x6a */
+/* ILI9325_VERTICAL_SCROLL_CTRL,
+ * Vertical Scroll Control, Offset: 0x6a
+ */
 
 #define ILI9325_VERTICAL_SCROLL_CTRL_VL_SHIFT  0
 #define ILI9325_VERTICAL_SCROLL_CTRL_VL_MASK   (0x1ff << ILI9325_VERTICAL_SCROLL_CTRL_VL_SHIFT)
 #  define ILI9325_VERTICAL_SCROLL_CTRL_VL(n)   ((uint16_t)(n) << ILI9325_VERTICAL_SCROLL_CTRL_VL_SHIFT)
 
-/* ILI9325_PARTIAL_IMG1_DISP_SHIFT, Partial Image 1 Display Position, Offset: 0x80 */
+/* ILI9325_PARTIAL_IMG1_DISP_SHIFT,
+ * Partial Image 1 Display Position, Offset: 0x80
+ */
 
 #define ILI9325_PARTIAL_IMG1_DISP_SHIFT_PTDP0_SHIFT 0
 #define ILI9325_PARTIAL_IMG1_DISP_SHIFT_PTDP0_MASK  (0x1ff << ILI9325_PARTIAL_IMG1_DISP_SHIFT_PTDP0_SHIFT)
 #define ILI9325_PARTIAL_IMG1_DISP_SHIFT_PTDP0(n)    ((uint16_t)(n) << ILI9325_PARTIAL_IMG1_DISP_SHIFT_PTDP0_SHIFT)
 
-/* ILI9325_PARTIAL_IMG1_AREA_START_LINE, Partial Image 1 Area (Start Line), Offset: 0x81 */
+/* ILI9325_PARTIAL_IMG1_AREA_START_LINE,
+ * Partial Image 1 Area (Start Line), Offset: 0x81
+ */
 
 #define ILI9325_PARTIAL_IMG1_AREA_START_LINE_PTSA0_SHIFT 0
 #define ILI9325_PARTIAL_IMG1_AREA_START_LINE_PTSA0_MASK  (0x1ff << ILI9325_PARTIAL_IMG1_AREA_START_LINE_PTSA0_SHIFT)
 #  define ILI9325_PARTIAL_IMG1_AREA_START_LINE_PTSA0(n)  ((uint16_t)(n) << ILI9325_PARTIAL_IMG1_AREA_START_LINE_PTSA0_SHIFT)
 
-/* ILI9325_PARTIAL_IMG1_AREA_END_LINE, Partial Image 1 Area (End Line), Offset: 0x82 */
+/* ILI9325_PARTIAL_IMG1_AREA_END_LINE,
+ * Partial Image 1 Area (End Line), Offset: 0x82
+ */
 
 #define ILI9325_PARTIAL_IMG1_AREA_END_LINE_PTEA0_SHIFT 0
 #define ILI9325_PARTIAL_IMG1_AREA_END_LINE_PTEA0_MASK  (0x1ff << ILI9325_PARTIAL_IMG1_AREA_END_LINE_PTEA0_SHIFT)
 #  define ILI9325_PARTIAL_IMG1_AREA_END_LINE_PTEA0(n)  ((uint16_t)(n) << ILI9325_PARTIAL_IMG1_AREA_END_LINE_PTEA0_SHIFT)
 
-/* ILI9325_PARTIAL_IMG2_DISP_SHIFT, Partial Image 2 Display Position, Offset: 0x83 */
+/* ILI9325_PARTIAL_IMG2_DISP_SHIFT,
+ * Partial Image 2 Display Position, Offset: 0x83
+ */
 
 #define ILI9325_PARTIAL_IMG2_DISP_SHIFT_PTDP1_SHIFT 0
 #define ILI9325_PARTIAL_IMG2_DISP_SHIFT_PTDP1_MASK  (0x1ff << ILI9325_PARTIAL_IMG2_DISP_SHIFT_PTDP1_SHIFT)
 #  define ILI9325_PARTIAL_IMG2_DISP_SHIFT_PTDP1(n)  ((uint16_t)(n) << ILI9325_PARTIAL_IMG2_DISP_SHIFT_PTDP1_SHIFT)
 
-/* ILI9325_PARTIAL_IMG2_AREA_START_LINE, Partial Image 2 Area (Start Line), Offset: 0x84 */
+/* ILI9325_PARTIAL_IMG2_AREA_START_LINE,
+ * Partial Image 2 Area (Start Line), Offset: 0x84
+ */
 
 #define ILI9325_PARTIAL_IMG2_AREA_START_LINE_PTSA1_SHIFT 0
 #define ILI9325_PARTIAL_IMG2_AREA_START_LINE_PTSA1_MASK  (0x1ff << ILI9325_PARTIAL_IMG2_AREA_START_LINE_PTSA1_SHIFT)
 #  define ILI9325_PARTIAL_IMG2_AREA_START_LINE_PTSA1(n)  ((uint16_t)(n) << ILI9325_PARTIAL_IMG2_AREA_START_LINE_PTSA1_SHIFT)
 
-/* ILI9325_PARTIAL_IMG2_AREA_END_LINE, Partial Image 2 Area (End Line), Offset: 0x85 */
+/* ILI9325_PARTIAL_IMG2_AREA_END_LINE,
+ * Partial Image 2 Area (End Line), Offset: 0x85
+ */
 
 #define ILI9325_PARTIAL_IMG2_AREA_END_LINE_PTEA1_SHIFT 0
 #define ILI9325_PARTIAL_IMG2_AREA_END_LINE_PTEA1_MASK  (0x1ff << ILI9325_PARTIAL_IMG2_AREA_END_LINE_PTEA1_SHIFT)
 #  define ILI9325_PARTIAL_IMG2_AREA_END_LINE_PTEA1(n)  ((uint16_t)(n) << ILI9325_PARTIAL_IMG2_AREA_END_LINE_PTEA1_SHIFT)
 
-/* ILI9325_PANEL_INTERFACE_CTRL1, Panel Interface Control 1, Offset: 0x90 */
+/* ILI9325_PANEL_INTERFACE_CTRL1,
+ * Panel Interface Control 1, Offset: 0x90
+ */
 
 #define ILI9325_PANEL_INTERFACE_CTRL1_RTNI_SHIFT 0
 #define ILI9325_PANEL_INTERFACE_CTRL1_RTNI_MASK  (0x1f << ILI9325_PANEL_INTERFACE_CTRL1_RTNI_SHIFT)
@@ -457,13 +497,17 @@
 #define ILI9325_PANEL_INTERFACE_CTRL1_DIVI_MASK  (3 << ILI9325_PANEL_INTERFACE_CTRL1_DIVI_SHIFT)
 #  define ILI9325_PANEL_INTERFACE_CTRL1_DIVI(n)  ((uint16_t)(n) << ILI9325_PANEL_INTERFACE_CTRL1_DIVI_SHIFT)
 
-/* ILI9325_PANEL_INTERFACE_CTRL2, Panel Interface Control 2, Offset: 0x92 */
+/* ILI9325_PANEL_INTERFACE_CTRL2,
+ * Panel Interface Control 2, Offset: 0x92
+ */
 
 #define ILI9325_PANEL_INTERFACE_CTRL2_NOWI_SHIFT 8
 #define ILI9325_PANEL_INTERFACE_CTRL2_NOWI_MASK  (7 << ILI9325_PANEL_INTERFACE_CTRL2_NOWI_SHIFT)
 #  define ILI9325_PANEL_INTERFACE_CTRL2_NOWI(n)  ((uint16_t)(n) << ILI9325_PANEL_INTERFACE_CTRL2_NOWI_SHIFT)
 
-/* ILI9325_PANEL_INTERFACE_CTRL4, Panel Interface Control 4, Offset: 0x95 */
+/* ILI9325_PANEL_INTERFACE_CTRL4,
+ * Panel Interface Control 4, Offset: 0x95
+ */
 
 #define ILI9325_PANEL_INTERFACE_CTRL4_RTNE_SHIFT 0
 #define ILI9325_PANEL_INTERFACE_CTRL4_RTNE_MASK  (0x3f << ILI9325_PANEL_INTERFACE_CTRL4_RTNE_SHIFT)
@@ -472,14 +516,18 @@
 #define ILI9325_PANEL_INTERFACE_CTRL4_DIVE_MASK  (3 << ILI9325_PANEL_INTERFACE_CTRL4_DIVE_SHIFT)
 #  define ILI9325_PANEL_INTERFACE_CTRL4_DIVE(n)  ((uint16_t)(n) << ILI9325_PANEL_INTERFACE_CTRL4_DIVE_SHIFT)
 
-/* ILI9325_OTP_VCM_PROG_CTRL, OTP VCM Programming Control, Offset: 0xa1 */
+/* ILI9325_OTP_VCM_PROG_CTRL,
+ * OTP VCM Programming Control, Offset: 0xa1
+ */
 
 #define ILI9325_OTP_VCM_PROG_CTRL_VCM_OTP_SHIFT 0
 #define ILI9325_OTP_VCM_PROG_CTRL_VCM_OTP_MASK  (0x3f << ILI9325_OTP_VCM_PROG_CTRL_VCM_OTP_SHIFT)
 #  define ILI9325_OTP_VCM_PROG_CTRL_VCM_OTP(n)  ((uint16_t)(n) << ILI9325_OTP_VCM_PROG_CTRL_VCM_OTP_SHIFT)
 #define ILI9325_OTP_VCM_PROG_CTRL_OTP_PGM_EN    (1 << 11)
 
-/* ILI9325_OTP_VCM_STATUS_AND_ENABLE, OTP VCM Status and Enable, Offset: 0xa2 */
+/* ILI9325_OTP_VCM_STATUS_AND_ENABLE,
+ * OTP VCM Status and Enable, Offset: 0xa2
+ */
 
 #define ILI9325_OTP_VCM_STATUS_AND_ENABLE_VCM_EN        (1 << 0)
 #define ILI9325_OTP_VCM_STATUS_AND_ENABLE_VCM_D_SHIFT   8
@@ -489,19 +537,21 @@
 #define ILI9325_OTP_VCM_STATUS_AND_ENABLE_PGM_CNT_MASK  (3 << ILI9325_OTP_VCM_STATUS_AND_ENABLE_PGM_CNT_SHIFT)
 #  define ILI9325_OTP_VCM_STATUS_AND_ENABLE_PGM_CNT(n)  ((uint16_t)(n) << IILI9325_OTP_VCM_STATUS_AND_ENABLE_PGM_CNT_SHIFT)
 
-/* ILI9325_OTP_PROG_ID_KEY, OTP Programming ID Key, Offset: 0xa5 */
+/* ILI9325_OTP_PROG_ID_KEY,
+ * OTP Programming ID Key, Offset: 0xa5
+ */
 
 #define ILI9325_OTP_PROG_ID_KEY_KEY_SHIFT      0
 #define ILI9325_OTP_PROG_ID_KEY_KEY_MASK      (0xffffu << ILI9325_OTP_PROG_ID_KEY_KEY_SHIFT)
 #  define ILI9325_OTP_PROG_ID_KEY_KEY(n)      ((uint16_t)(n) << ILI9325_OTP_PROG_ID_KEY_KEY_SHIFT)
 
-/**************************************************************************************
+/****************************************************************************
  * Public Types
- **************************************************************************************/
+ ****************************************************************************/
 
-/**************************************************************************************
+/****************************************************************************
  * Public Data
- **************************************************************************************/
+ ****************************************************************************/
 
 #ifdef __cplusplus
 #define EXTERN extern "C"
@@ -511,9 +561,9 @@ extern "C"
 #define EXTERN extern
 #endif
 
-/**************************************************************************************
+/****************************************************************************
  * Public Function Prototypes
- **************************************************************************************/
+ ****************************************************************************/
 
 #undef EXTERN
 #ifdef __cplusplus
diff --git a/include/nuttx/lcd/ili9341.h b/include/nuttx/lcd/ili9341.h
index ba8328b..b8a3e74 100644
--- a/include/nuttx/lcd/ili9341.h
+++ b/include/nuttx/lcd/ili9341.h
@@ -46,6 +46,7 @@
 /**************************************************************************************
  * Pre-processor Definitions
  **************************************************************************************/
+
 /* ILI9341 ID code */
 
 #define ILI9341_DEVICE_CODE                    0x9341
@@ -142,7 +143,9 @@
 #define ILI9341_PUMP_RATIO_CONTROL             0xf7 /* Pump ration control */
 
 /* ILI9341 LCD Register Bit Definitions ***********************************************/
+
 /* Pixel format set */
+
 #define ILI9341_PIXEL_FORMAT_SET_DPI_SHIFT     (4)
 #define ILI9341_PIXEL_FORMAT_SET_DPI_MASK      (7 << ILI9341_PIXEL_FORMAT_SET_DPI_SHIFT)
 #define ILI9341_PIXEL_FORMAT_SET_DPI(n)        ((n) << ILI9341_PIXEL_FORMAT_SET_DPI_SHIFT)
@@ -239,7 +242,6 @@ struct ili9341_lcd_s
   /* mcu interface specific data following */
 };
 
-
 /**************************************************************************************
  * Public Data
  **************************************************************************************/
diff --git a/include/nuttx/lcd/ili9488.h b/include/nuttx/lcd/ili9488.h
index be75555..31e94c9 100644
--- a/include/nuttx/lcd/ili9488.h
+++ b/include/nuttx/lcd/ili9488.h
@@ -15,15 +15,16 @@
  *     from this software without specific prior written permission.
  *
  * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
  *
  ****************************************************************************/
 
diff --git a/include/nuttx/lcd/lpm013m091a.h b/include/nuttx/lcd/lpm013m091a.h
index 2d4de1a..2a5803a 100644
--- a/include/nuttx/lcd/lpm013m091a.h
+++ b/include/nuttx/lcd/lpm013m091a.h
@@ -101,8 +101,8 @@ struct lpm013m091a_lcd_s
  *
  * Input Parameters:
  *
- *   lcd - A reference to the platform specific driver instance to control the
- *     lpm013m091a display driver.
+ *   lcd - A reference to the platform specific driver instance to control
+ *         the lpm013m091a display driver.
  *   devno - This is for compat. must be zero.
  *
  * Returned Value:
diff --git a/include/nuttx/lcd/max7219.h b/include/nuttx/lcd/max7219.h
index c6b279b2..654e41b 100644
--- a/include/nuttx/lcd/max7219.h
+++ b/include/nuttx/lcd/max7219.h
@@ -87,7 +87,6 @@
 #define MAX7219_POWER_OFF     0
 #define MAX7219_POWER_ON      1
 
-
 /****************************************************************************
  * Public Types
  ****************************************************************************/
diff --git a/include/nuttx/lcd/mio283qt2.h b/include/nuttx/lcd/mio283qt2.h
index 3f6f4ee..8c2965e 100644
--- a/include/nuttx/lcd/mio283qt2.h
+++ b/include/nuttx/lcd/mio283qt2.h
@@ -50,7 +50,9 @@
 /**************************************************************************************
  * Pre-processor Definitions
  **************************************************************************************/
+
 /* Configuration **********************************************************************/
+
 /* CONFIG_LCD_MIO283QT2 - Enables support for the MIO283QT2-based LCD.
  * CONFIG_LCD_NOGETRUN
  *   NX components need to know if it can read from the LCD or not. If reading from the
diff --git a/include/nuttx/lcd/mio283qt9a.h b/include/nuttx/lcd/mio283qt9a.h
index 476c85d..520170b 100644
--- a/include/nuttx/lcd/mio283qt9a.h
+++ b/include/nuttx/lcd/mio283qt9a.h
@@ -51,7 +51,9 @@
 /**************************************************************************************
  * Pre-processor Definitions
  **************************************************************************************/
+
 /* Configuration **********************************************************************/
+
 /* CONFIG_LCD_MIO283QT9A - Enables support for the MIO283QT9A-based LCD.
  * CONFIG_LCD_NOGETRUN
  *   NX components need to know if it can read from the LCD or not. If reading from the
diff --git a/include/nuttx/lcd/p14201.h b/include/nuttx/lcd/p14201.h
index fc7e8e2..cdcac45 100644
--- a/include/nuttx/lcd/p14201.h
+++ b/include/nuttx/lcd/p14201.h
@@ -51,8 +51,8 @@
  *
  * CONFIG_P14201_SPIMODE - Controls the SPI mode
  * CONFIG_P14201_FREQUENCY - Define to use a different bus frequency
- * CONFIG_P14201_NINTERFACES - Specifies the number of physical P14201 devices
- *   that will be supported.
+ * CONFIG_P14201_NINTERFACES - Specifies the number of physical P14201
+ *   devices that will be supported.
  * CONFIG_P14201_FRAMEBUFFER - If defined, accesses will be performed using
  *   an in-memory copy of the OLEDs GDDRAM.  This cost of this buffer is
  *   128 * 96 / 2 = 6Kb.  If this is defined, then the driver will be fully
diff --git a/include/nuttx/lcd/pcd8544.h b/include/nuttx/lcd/pcd8544.h
index 42458cf..b938faa 100644
--- a/include/nuttx/lcd/pcd8544.h
+++ b/include/nuttx/lcd/pcd8544.h
@@ -63,7 +63,8 @@
  *
  * Required LCD driver settings:
  * CONFIG_LCD_PCD8544 - Enable PCD8544 support
- * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted.
+ * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be
+ *                        accepted.
  * CONFIG_LCD_MAXPOWER should be 2:  0=off, 1=dim, 2=normal
  *
  * Required SPI driver settings:
@@ -108,7 +109,8 @@ extern "C"
  * Input Parameters:
  *
  *   spi - A reference to the SPI driver instance.
- *   devno - A value in the range of 0 thropcd8544h CONFIG_PCD8544_NINTERFACES-1.
+ *   devno - A value in the range of 0 thropcd8544h
+ *            CONFIG_PCD8544_NINTERFACES-1.
  *     This allows support for multiple LCD devices.
  *
  * Returned Value:
@@ -120,7 +122,8 @@ extern "C"
 
 struct lcd_dev_s; /* see nuttx/lcd.h */
 struct spi_dev_s; /* see nuttx/spi/spi.h */
-FAR struct lcd_dev_s *pcd8544_initialize(FAR struct spi_dev_s *spi, unsigned int devno);
+FAR struct lcd_dev_s *pcd8544_initialize(FAR struct spi_dev_s *spi,
+                                         unsigned int devno);
 
 #ifdef __cplusplus
 }
diff --git a/include/nuttx/lcd/pcf8574_lcd_backpack.h b/include/nuttx/lcd/pcf8574_lcd_backpack.h
index ebcf3f0..24f7716 100644
--- a/include/nuttx/lcd/pcf8574_lcd_backpack.h
+++ b/include/nuttx/lcd/pcf8574_lcd_backpack.h
@@ -51,15 +51,16 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-/* Configurations of some well-known boards.  You may still have to modify the
- * address if was changed from the default.  You will also need to specify the
- * geometry of your attached LCD display.  You can support:
+/* Configurations of some well-known boards.
+ * You may still have to modify the address if was changed from the default.
+ * You will also need to specify the geometry of your attached LCD display.
+ * You can support:
  * 1x8, 1x12, 1x16, 2x8, 2x12, 2x16, 2x20, 2x24, 2x40, 4x16, 4x20
- * Pretty much anything on the market except 4x40, which really consists of two
- * separate 2x40 controllers, and the I2C backpack doesn't support those due
- * to the second 'E' line being needed.
- * Additionally, you still need to set the (row,col) geometry explicitly, since
- * there is not a means of determining this dynamically.
+ * Pretty much anything on the market except 4x40, which really consists of
+ * two separate 2x40 controllers, and the I2C backpack doesn't support those
+ * due to the second 'E' line being needed.
+ * Additionally, you still need to set the (row,col) geometry explicitly,
+ * since there is not a means of determining this dynamically.
  * Consider these 'informative'.
  * XXX Note, actual testing has been done on LCD_I2C_BACKPACK_CFG_MJKDZ
  * and LCD_I2C_BACKPACK_CFG_SAINSMART only, the others come from online
@@ -93,7 +94,7 @@
 
 #define SLCDIOC_CREATECHAR _SLCDIOC(0x80)
 
- /****************************************************************************
+/****************************************************************************
  * Public Types
  ****************************************************************************/
 
@@ -114,7 +115,9 @@ struct pcf8574_lcd_backpack_config_s
   uint8_t   d6;   /* gpio bit for LCD D6 */
   uint8_t   d7;   /* gpio bit for LCD D7 */
   uint8_t   bl;   /* gpio bit for backlight control */
+
   bool      bl_active_high;  /* is the backlight control active high? */
+
   uint8_t   rows; /* screen geometry, rows, 1, 2 or 4 */
   uint8_t   cols; /* screen geometry, cols, 8, 12, 16, 20, 24, 40 */
 };
@@ -137,7 +140,7 @@ struct slcd_createchar_s
 };
 
 /****************************************************************************
- * Public Functions
+ * Public Functions Definitions
  ****************************************************************************/
 
 /****************************************************************************
@@ -148,7 +151,8 @@ struct slcd_createchar_s
  *  PCF8574 I2C IO expander.  It allows operation of the ever-popular HD44780
  *  based LCDs via I2C instead of parallel (saving a bunch of gpio lines).
  *
- *  There are a multitude of these available from various sources (e.g. ebay).
+ *  There are a multitude of these available from various sources
+ *  (e.g. ebay).
  *  They typically vary by gpio-to-lcd pin mapping, and I2C address, but
  *  otherwise are functionally identical.
  *
@@ -166,14 +170,15 @@ struct slcd_createchar_s
  *  characters; see above for details.
  *
  * Input Parameters:
- *  devpath - path to device node; arbitrary, but typically '/dev/lcd0' or such
+ *  devpath - path to device node; arbitrary, but typically '/dev/lcd0' or
+ *  such
  *  i2c - the low-level i2c bus onto which to bind
  *  cfg - the board-specific configuration
  *
  ****************************************************************************/
 
 int pcf8574_lcd_backpack_register(FAR const char *devpath,
-                                  FAR struct i2c_master_s *i2c,
-                                  FAR struct pcf8574_lcd_backpack_config_s *cfg);
+                          FAR struct i2c_master_s *i2c,
+                          FAR struct pcf8574_lcd_backpack_config_s *cfg);
 
 #endif /* __INCLUDE_NUTTX_LCD_PCF8574_LCD_BACKPACK_H */
diff --git a/include/nuttx/lcd/ra8875.h b/include/nuttx/lcd/ra8875.h
index 6e654aa..cd4c7c3 100644
--- a/include/nuttx/lcd/ra8875.h
+++ b/include/nuttx/lcd/ra8875.h
@@ -50,7 +50,9 @@
 /**************************************************************************************
  * Pre-processor Definitions
  **************************************************************************************/
+
 /* Configuration **********************************************************************/
+
 /* CONFIG_LCD_RA8875 - Enables support for the RA8875-based LCD.
  * CONFIG_LCD_NOGETRUN
  *   NX components need to know if it can read from the LCD or not. If reading from the
diff --git a/include/nuttx/lcd/slcd_codec.h b/include/nuttx/lcd/slcd_codec.h
index b9f5088..0827fce 100644
--- a/include/nuttx/lcd/slcd_codec.h
+++ b/include/nuttx/lcd/slcd_codec.h
@@ -1,4 +1,4 @@
-/************************************************************************************
+/****************************************************************************
  * include/nuttx/lcd/slcd_codec.h
  * Serialize and marshaling data and events for character-based, segment LCDs
  *
@@ -32,7 +32,7 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************************************/
+ ****************************************************************************/
 
 #ifndef __INCLUDE_NUTTX_LCD_SLCD_CODEC_H
 #define __INCLUDE_NUTTX_LCD_SLCD_CODEC_H
diff --git a/include/nuttx/lcd/slcd_ioctl.h b/include/nuttx/lcd/slcd_ioctl.h
index 1fb1ab6..75725ef 100644
--- a/include/nuttx/lcd/slcd_ioctl.h
+++ b/include/nuttx/lcd/slcd_ioctl.h
@@ -47,6 +47,7 @@
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
+
 /* IOCTL commands that may be supported by some SLCD drivers */
 
 /* SLCDIOC_GETATTRIBUTES:  Get the attributes of the SLCD
diff --git a/include/nuttx/lcd/ssd1289.h b/include/nuttx/lcd/ssd1289.h
index bf5d91c..1da4bef 100644
--- a/include/nuttx/lcd/ssd1289.h
+++ b/include/nuttx/lcd/ssd1289.h
@@ -50,7 +50,9 @@
 /**************************************************************************************
  * Pre-processor Definitions
  **************************************************************************************/
+
 /* Configuration **********************************************************************/
+
 /* CONFIG_LCD_SSD1289 - Enables support for the SSD1289-based LCD.
  * CONFIG_LCD_NOGETRUN
  *   NX components need to know if it can read from the LCD or not. If reading from the
diff --git a/include/nuttx/lcd/st7032.h b/include/nuttx/lcd/st7032.h
index 481a5dc..83d98d6 100644
--- a/include/nuttx/lcd/st7032.h
+++ b/include/nuttx/lcd/st7032.h
@@ -145,7 +145,7 @@ extern "C"
  *
  ****************************************************************************/
 
- struct i2c_master_s;  /* Forward reference */
+struct i2c_master_s;  /* Forward reference */
 
 int st7032_register(FAR const char *devpath, FAR struct i2c_master_s *i2c);
 
diff --git a/include/nuttx/lcd/st7567.h b/include/nuttx/lcd/st7567.h
index cbebe40..24cf762 100644
--- a/include/nuttx/lcd/st7567.h
+++ b/include/nuttx/lcd/st7567.h
@@ -67,7 +67,8 @@
  *
  * Required LCD driver settings:
  * CONFIG_LCD_ST7567 - Enable ST7567 support
- * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted.
+ * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be
+ * accepted.
  * CONFIG_LCD_MAXPOWER should be 2:  0=off, 1=dim, 2=normal
  *
  * Required SPI driver settings:
@@ -112,7 +113,8 @@ extern "C"
  * Input Parameters:
  *
  *   spi - A reference to the SPI driver instance.
- *   devno - A value in the range of 0 throst7567h CONFIG_ST7567_NINTERFACES-1.
+ *   devno - A value in the range of 0 throst7567h
+ *           CONFIG_ST7567_NINTERFACES-1.
  *     This allows support for multiple LCD devices.
  *
  * Returned Value:
@@ -124,7 +126,8 @@ extern "C"
 
 struct lcd_dev_s; /* see nuttx/lcd.h */
 struct spi_dev_s; /* see nuttx/spi/spi.h */
-FAR struct lcd_dev_s *st7567_initialize(FAR struct spi_dev_s *spi, unsigned int devno);
+FAR struct lcd_dev_s *st7567_initialize(FAR struct spi_dev_s *spi,
+                                        unsigned int devno);
 
 /****************************************************************************
  * Name:  st7567_power
@@ -143,7 +146,7 @@ FAR struct lcd_dev_s *st7567_initialize(FAR struct spi_dev_s *spi, unsigned int
  * Returned Value:
  *   None
  *
- **************************************************************************************/
+ ****************************************************************************/
 
 #ifdef CONFIG_ST7567_POWER
 void st7567_power(unsigned int devno, bool on);
diff --git a/include/nuttx/lcd/ug-2864ambag01.h b/include/nuttx/lcd/ug-2864ambag01.h
index 6738480..f9d3862 100644
--- a/include/nuttx/lcd/ug-2864ambag01.h
+++ b/include/nuttx/lcd/ug-2864ambag01.h
@@ -1,17 +1,19 @@
-/**************************************************************************************
+/****************************************************************************
  * include/nuttx/lcd/ug-2864ambag01.h
  *
- * Driver for Univision UG-2864AMBAG01 OLED display (with SH1101A controller) in SPI
- * mode
+ * Driver for Univision UG-2864AMBAG01 OLED display (with SH1101A controller)
+ * in SPI mode
  *
  *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gn...@nuttx.org>
  *
  * References:
- *   1. Product Specification (Preliminary), Part Name: OEL Display Module, Part ID:
- *      UG-2864AMBAG01, Doc No: SASI-9015-A, Univision Technology Inc.
- *   2. SH1101A, 132 X 64 Dot Matrix OLED/PLED, Preliminary Segment/Common Driver with
- *      Controller, Sino Wealth
+ *   1. Product Specification (Preliminary),
+ *      Part Name: OEL Display Module,
+ *      Part ID: UG-2864AMBAG01,
+ *      Doc No: SASI-9015-A, Univision Technology Inc.
+ *   2. SH1101A, 132 X 64 Dot Matrix OLED/PLED,
+ *      Preliminary Segment/Common Driver with Controller, Sino Wealth
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -40,14 +42,14 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- **************************************************************************************/
+ ****************************************************************************/
 
 #ifndef __INCLUDE_NUTTX_UG_8264AMBAG01_H
 #define __INCLUDE_NUTTX_UG_8264AMBAG01_H
 
-/**************************************************************************************
+/****************************************************************************
  * Included Files
- **************************************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/config.h>
 
@@ -57,21 +59,25 @@
 
 #ifdef CONFIG_LCD_UG2864AMBAG01
 
-/**************************************************************************************
+/****************************************************************************
  * Pre-processor Definitions
- **************************************************************************************/
-/* Configuration **********************************************************************/
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
 /* UG-2864AMBAG01 Configuration Settings:
  *
  * CONFIG_UG2864AMBAG01_SPIMODE - Controls the SPI mode
  * CONFIG_UG2864AMBAG01_FREQUENCY - Define to use a different bus frequency
- * CONFIG_UG2864AMBAG01_NINTERFACES - Specifies the number of physical UG-2864AMBAG01
+ * CONFIG_UG2864AMBAG01_NINTERFACES - Specifies the number of physical
+ *                                    UG-2864AMBAG01
  *   devices that will be supported.
  *
  * Required LCD driver settings:
  *
  * CONFIG_LCD_UG28AMBAG01 - Enable UG-2864AMBAG01 support
- * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted.
+ * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be
+ *                        accepted.
  * CONFIG_LCD_MAXPOWER must be 1
  *
  * Option LCD driver settings:
@@ -87,8 +93,8 @@
  * "The serial interface consists of serial clock SCL, serial data SI, A0 and
  *  CS . SI is shifted into an 8-bit shift register on every rising edge of
  *  SCL in the order of D7, D6, � and D0. A0 is sampled on every eighth clock
- *  and the data byte in the shift register is written to the display data RAM
- *  or command register in the same clock."
+ *  and the data byte in the shift register is written to the display data
+ *  RAM or command register in the same clock."
  *
  * MODE 3:
  *   Clock polarity:  High (CPOL=1)
@@ -100,18 +106,18 @@
 #endif
 
 /* "This module determines whether the input data is interpreted as data or
- * command. When A0 = �H�, the inputs at D7 - D0 are interpreted as data and be
- * written to display RAM. When A0 = �L�, the inputs at D7 - D0 are interpreted
- * as command, they will be decoded and be written to the corresponding command
- * registers.
+ * command. When A0 = �H�, the inputs at D7 - D0 are interpreted as data and
+ * be written to display RAM. When A0 = �L�, the inputs at D7 - D0 are
+ * interpreted as command, they will be decoded and be written to the
+ * corresponding command registers.
  */
 
 #ifndef CONFIG_SPI_CMDDATA
 #  error "CONFIG_SPI_CMDDATA must be defined in your NuttX configuration"
 #endif
 
-/* CONFIG_UG2864AMBAG01_NINTERFACES determines the number of physical interfaces
- * that will be supported.
+/* CONFIG_UG2864AMBAG01_NINTERFACES determines the number of physical
+ * interfaces that will be supported.
  */
 
 #ifndef CONFIG_UG2864AMBAG01_NINTERFACES
@@ -178,35 +184,37 @@
 #define UG_Y1_BLACK  0
 #define UG_Y1_WHITE  1
 
-/**************************************************************************************
+/****************************************************************************
  * Public Types
- **************************************************************************************/
+ ****************************************************************************/
 
-/**************************************************************************************
+/****************************************************************************
  * Public Data
- **************************************************************************************/
+ ****************************************************************************/
 
 #ifdef __cplusplus
 extern "C"
 {
 #endif
 
-/**************************************************************************************
+/****************************************************************************
  * Public Function Prototypes
- **************************************************************************************/
+ ****************************************************************************/
 
-/**************************************************************************************
+/****************************************************************************
  * Name:  ug2864ambag01_initialize
  *
  * Description:
- *   Initialize the UG-2864AMBAG01 video hardware.  The initial state of the
- *   OLED is fully initialized, display memory cleared, and the OLED ready
- *   to use, but with the power setting at 0 (full off == sleep mode).
+ *   Initialize the UG-2864AMBAG01 video hardware.
+ *   The initial state of the OLED is fully initialized, display memory
+ *   cleared, and the OLED ready to use, but with the power setting at 0
+ *   (full off == sleep mode).
  *
  * Input Parameters:
  *
  *   spi - A reference to the SPI driver instance.
- *   devno - A value in the range of 0 through CONFIG_UG2864AMBAG01_NINTERFACES-1.
+ *   devno - A value in the range of 0 through
+ *     CONFIG_UG2864AMBAG01_NINTERFACES-1.
  *     This allows support for multiple OLED devices.
  *
  * Returned Value:
@@ -214,19 +222,20 @@ extern "C"
  *   On success, this function returns a reference to the LCD object for
  *   the specified OLED.  NULL is returned on any failure.
  *
- **************************************************************************************/
+ ****************************************************************************/
 
 struct lcd_dev_s; /* See include/nuttx/lcd/lcd.h */
 struct spi_dev_s; /* See include/nuttx/spi/spi.h */
 FAR struct lcd_dev_s *ug2864ambag01_initialize(FAR struct spi_dev_s *spi,
                                                unsigned int devno);
 
-/************************************************************************************************
+/****************************************************************************
  * Name:  ug2864ambag01_fill
  *
  * Description:
- *   This non-standard method can be used to clear the entire display by writing one
- *   color to the display.  This is much faster than writing a series of runs.
+ *   This non-standard method can be used to clear the entire display by
+ *   writing one color to the display.  This is much faster than writing a
+ *   series of runs.
  *
  * Input Parameters:
  *   priv   - Reference to private driver structure
@@ -234,7 +243,7 @@ FAR struct lcd_dev_s *ug2864ambag01_initialize(FAR struct spi_dev_s *spi,
  * Assumptions:
  *   Caller has selected the OLED section.
  *
- **************************************************************************************/
+ ****************************************************************************/
 
 void ug2864ambag01_fill(FAR struct lcd_dev_s *dev, uint8_t color);
 
diff --git a/include/nuttx/lcd/ug-9664hswag01.h b/include/nuttx/lcd/ug-9664hswag01.h
index d6195e9..e5080e6 100644
--- a/include/nuttx/lcd/ug-9664hswag01.h
+++ b/include/nuttx/lcd/ug-9664hswag01.h
@@ -62,7 +62,8 @@
  *
  * Required LCD driver settings:
  * CONFIG_LCD_UG9664HSWAG01 - Enable UG-9664HSWAG01 support
- * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted.
+ * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be
+ *                        accepted.
  * CONFIG_LCD_MAXPOWER should be 2:  0=off, 1=dim, 2=normal
  *
  * Required SPI driver settings:
@@ -108,7 +109,8 @@ extern "C"
  * Input Parameters:
  *
  *   spi - A reference to the SPI driver instance.
- *   devno - A value in the range of 0 through CONFIG_UG9664HSWAG01_NINTERFACES-1.
+ *   devno - A value in the range of 0 through
+ *           CONFIG_UG9664HSWAG01_NINTERFACES-1.
  *     This allows support for multiple OLED devices.
  *
  * Returned Value:
@@ -120,7 +122,8 @@ extern "C"
 
 struct lcd_dev_s; /* see nuttx/lcd.h */
 struct spi_dev_s; /* see nuttx/spi/spi.h */
-FAR struct lcd_dev_s *ug_initialize(FAR struct spi_dev_s *spi, unsigned int devno);
+FAR struct lcd_dev_s *ug_initialize(FAR struct spi_dev_s *spi,
+                                    unsigned int devno);
 
 /****************************************************************************
  * Name:  ug_power
@@ -132,14 +135,15 @@ FAR struct lcd_dev_s *ug_initialize(FAR struct spi_dev_s *spi, unsigned int devn
  *
  * Input Parameters:
  *
- *   devno - A value in the range of 0 through CONFIG_UG9664HSWAG01_NINTERFACES-1.
+ *   devno - A value in the range of 0 through
+ *           CONFIG_UG9664HSWAG01_NINTERFACES-1.
  *     This allows support for multiple OLED devices.
  *   on - true:turn power on, false: turn power off.
  *
  * Returned Value:
  *   None
  *
- **************************************************************************************/
+ ****************************************************************************/
 
 #ifdef CONFIG_UG9664HSWAG01_POWER
 void ug_power(unsigned int devno, bool on);