[Bug 55701] Backlight control not functioning anymore on Acer Aspire V5 since kernel 3.7

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=55701





--- Comment #30 from Jani Nikula <jani.nikula at intel.com>  2013-06-07 04:46:21 ---
(In reply to comment #28)
> Created an attachment (id=103711)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=103711) [details]
> dmesg with debug on kernel 3.8

This dmesg does not have drm.debug=0xe module parameter enabled. Please also
use a more recent kernel.

(In reply to comment #29)
> (From update of attachment 103711 [details])
> either 
>  echo 0 > /sys/class/backlight/intel_backlight/brightness
> 
> or
> echo 100 > /sys/class/backlight/intel_backlight/brightness
> 
> has no effect on the screen brightness.

One of the symptoms of this fixed and closed bug is that the whole file ceases
to exist. This is not the same bug. Please file a new bug instead of littering
the logs of an old one, and attach dmesg there. Thank you.

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