Kernel Bug Tracker – Bug 77641
Brigthness keys for asus laptop x200la not working
Last modified: 2014-09-09 14:56:34 UTC
All hotkeys of the laptop works but brightness ones. I have to change brightness level manually, but if I hit the key nothing happens. I suppose is a kernel issue. The fact that the minimun level of brightness is zero is a driver issue, I think. I don't know if it is a configuration problem or a bug. I will report all needed info.
please attach the acpidump output and the output of "grep . /sys/class/backlight/*/*".
BTW, how do you change the brightness level manually?
Bug closed as there is no update from the bug reporter for 3 months.
please feel free to re-open once you can provide the information requested in comment #1.