DART-MX8M Backlight
From Variscite Wiki
Backlight
$ cd /sys/class/backlight/backlight $ cat max_brightness $ cat brightness $ echo 0 > brightness $ echo 50 > brightness $ echo 100 > brightness $ echo 80 > brightness
$ cd /sys/class/backlight/backlight $ cat max_brightness $ cat brightness $ echo 0 > brightness $ echo 50 > brightness $ echo 100 > brightness $ echo 80 > brightness