Clightd is a bus interface that lets you easily set/get screen brightness,
gamma temperature and display dpms state. Moreover, it enables getting
ambient brightness through webcam frames capture or ALS devices.
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
