Can't adjust brightness on Samsung RV420 with fn keys
- by nicholascamp
Typing ls /sys/class/backlight/*/brightness outputs
/sys/class/backlight/intel_backlight/brightness
/sys/class/backlight/samsung/brightness
The max_brightness for the second is 8, but changing it with echo 2 | sudo tee /sys/class/backlight/samsung/brightness doesn't change brightness. I can do it by using intel_backlight: echo 2000 | sudo tee…