maxym@maxym-300E5Z:~$ for i in /sys/class/backlight/*; do echo $i; cat $i/brightness; cat $i/max_brightness; done
Code:
/sys/class/backlight/intel_backlight
3718
4648
/sys/class/backlight/samsung
2
8
maxym@maxym-300E5Z:~$ lsmod | grep samsung
Code:
samsung_laptop         14532  0 
video                  19390  2 i915,samsung_laptop
maxym@maxym-300E5Z:~$ dmesg | grep samsung
Code:
[   30.494988] samsung_laptop: enabled workaround for brightness stepping quirk
[   30.500566] samsung_laptop: detected SABI interface: SwSmi@