while not a perfect solution the command "xrandr --output LVDS --set BACKLIGHT_CONTROL native" will make screen brightness work (if not perfectly) when entered. it is not persistent and needs to be reentered on boot either manually or by setting it as a startup process.
Matti,
while not a perfect solution the command "xrandr --output LVDS --set BACKLIGHT_CONTROL native" will make screen brightness work (if not perfectly) when entered. it is not persistent and needs to be reentered on boot either manually or by setting it as a startup process.