> For the maximum level causes blank screen... > > Please kindly help to identify which driver handle the brightness > change, run the following 2 commands: > > # echo 5 > /sys/class/backlight/acer-wmi/brightness > # echo 5 > /sys/class/backlight/intel_backlight/brightness > > Which one works to change brightness on your machine? Both of them do not work for me.Only hot keys are working. Writing to /sys/class/backlight/acer-wmi/brightness and /sys/class/backlight/intel_backlight/brightness do not cause any change in brightness. Regards , Pradeep Subrahmanion > > > Thanks a lot! > Joey Lee -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
