[Bug 75001] [945gm] ACPI Brightness adjustment is broken in 945GM with kernel 3.14-rc2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75001

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #8 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to comment #7)
> This patch corrects the issue. The Fn keys work as expected and I can again
> change the brightness. In more detail:
> 
> su -c "echo N > /sys/class/backlight/eeepc/brightness" changes the
> brightness and catting the file reports the new value.
> 
> su -c "echo N > /sys/class/backlight/intel_backlight/brightness" changes the
> brightness and catting the file reports the new value.
> 
> BTW, I've noticed that the values reported by
> /sys/class/backlight/intel_backlight/brightness are much higher than
> previously. Booting in 3.13 and 3.14-rc2 I get the value 156, which equals
> that of max_brightness though I actually have my screen dimmed. With your
> patch I get the value 7800 and a max_brightness of 39780.

Hmm, I can't recall us intentionally fixing that, but apparently we have. :)

Thanks for testing.

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