ngraham added a comment.
Lowest setting: $ cat /sys/class/backlight/intel_backlight/actual_brightness 0 Next setting: $ cat /sys/class/backlight/intel_backlight/actual_brightness 2 Same values as `/sys/class/backlight/*/brightness`, in other words. REPOSITORY R122 Powerdevil REVISION DETAIL https://phabricator.kde.org/D13095 To: thsurrel, #plasma, broulik, ngraham Cc: sharvey, zzag, ngraham, romangg, plasma-devel, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart