V4L2 flash API for LED flash class devices

modulename: v4l2-flash-led-class.ko

configname: CONFIG_V4L2_FLASH_LED_CLASS

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>V4L2 flash API for LED flash class devices
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here to enable V4L2 flash API support for LED flash
class drivers.

When in doubt, say N.

source code:
drivers/media/v4l2-core/v4l2-flash-led-class.c