TPS65217 Backlight

modulename: tps65217_bl.ko

configname: CONFIG_BACKLIGHT_TPS65217

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Backlight & LCD device support
└─>TPS65217 Backlight
In linux kernel since version 3.1 (release Date: 2011-10-24)  
If you have a Texas Instruments TPS65217 say Y to enable the
backlight driver.

source code: