Alternatively, I suppose by using the Xorg.conf to specify backlight interface should also work(for GUI environment only)?
$ cat /etc/Xorg/Xorg.conf Section "Device" Option "Backlight" "intel_backlight" Identifier "Card0" Driver "intel" BusID "PCI:0:2:0" EndSection
Alternatively, I suppose by using the Xorg.conf to specify backlight interface should also work(for GUI environment only)?
$ cat /etc/Xorg/Xorg.conf
Section "Device"
Option "Backlight" "intel_backlight"
Identifier "Card0"
Driver "intel"
BusID "PCI:0:2:0"
EndSection