LM3639ASW-LINUX

The Linux driver supports the LM3639A Backlight and Flash LED Drivers. The Linux driver supports communication through the I2C bus and interfaces with the backlight sub-system.

Linux Mainline Status

Available in Linux Main line: Yes
Available through git.ti.com: N/A

Supported Devices:

• lm3639a

Linux Source Files

The files associated with this device are:

1. drivers/video/backlight/lm3639_bl.c
2. include/linux/platform_data/lm3639_bl.h

Source Files

drivers/video/backlight/lm3639_bl.c

Other Files

include/linux/platform_data/lm3639_bl.h

Enabling Driver Support

Configure kernel with "make menuconfig" (alternatively use "make xconfig" or"make nconfig")

Menuconfig Location

Symbol: BACKLIGHT_LM3639 [=y]Type  : tristatePrompt: Backlight Driver for LM3639  Location:    -> Device Drivers      -> Graphics support        -> Backlight & LCD device support (BACKLIGHT_LCD_SUPPORT [=y])          -> Lowlevel Backlight controls (BACKLIGHT_CLASS_DEVICE [=y])  Defined at drivers/video/backlight/Kconfig:384  Depends on: HAS_IOMEM [=y] && BACKLIGHT_LCD_SUPPORT [=y] && BACKLIGHT_CLASS_DEVICE [=y] && I2C [=y]  Selects: REGMAP_I2C [=y] && NEW_LEDS [=y] && LEDS_CLASS [=y]

Fixes and Code Enhancements

If there are fixes and or code enhancements that need to be added to thisdriver please either1. Send the patches to the relevant Linux Kernel community as listed in the maintainers file located: Hereor2.  Contact your TI representative.