[Bug 97486] Backlight does not change when adjust it higher than 50% after S3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97486

--- Comment #21 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Yuan Chao from comment #20)
> Regarding a long out-standing bug on Maabook Air 6,2 (2013), there is a
> similar behavior on back light after S3. [Bug 67454] With the suggested test
> on Comment 10 to 14 here, I found that instead of SOUTH_CHICKEN1 reg.,
> SOUTH_CHICKEN2 reg. needs to be kept and restored. The output of 'lspci -nns
> 2' is 
> 
> 00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT
> Integrated Graphics Controller [8086:0a26] (rev 09)
> 
> Would the proposed patch be extended and cover the issue on MBA? Thanks!

It already covered your hardware. Did you actually try?

Anyway, here's two patches addressing the review comments:

https://patchwork.freedesktop.org/patch/111128/
https://patchwork.freedesktop.org/patch/111129/

Please test.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the QA Contact for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20160919/9d8f2b02/attachment-0001.html>