Backlight driver for the Arctic Sands ARCxCnnnn family

modulename: arcxcnn_bl.ko

configname: CONFIG_BACKLIGHT_ARCXCNN

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Backlight & LCD device support
└─>Backlight driver for the Arctic Sands ARCxCnnnn family
In linux kernel since version 4.2 (release Date: 2015-08-30)  
If you have an ARCxCnnnn family backlight say Y to enable
the backlight driver.

source code: