Yes now I tried it - (thought XRandr is only for intel cards)
benste@vaiofe31m:~$ xrandr --output LVDS --set BACKLIGHT_CONTROL native
X Error of failed request: 186
Major opcode of failed request: 157 (RANDR)
Minor opcode of failed request: 15 ()
Serial number of failed request: 14
Current serial number in output stream: 14
Yes now I tried it - (thought XRandr is only for intel cards)
benste@vaiofe31m:~$ xrandr --output LVDS --set BACKLIGHT_CONTROL native
X Error of failed request: 186
Major opcode of failed request: 157 (RANDR)
Minor opcode of failed request: 15 ()
Serial number of failed request: 14
Current serial number in output stream: 14