[Bug 61979] backlight adjustment doesn't work on HP Pavilion m6-1035dx

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61979

--- Comment #1 from Alex Deucher <agd5f at yahoo.com> ---
You are probably using the apci backlight interface which it seems to have been
broken by the bios update.  Assuming your laptop uses the on-GPU backlight
controller, you should be able to use the standard kernel backlight interface
(/sys/class/backlight/) to control it if you have kernel 3.7 or newer.

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