On Tue, May 17, 2016 at 8:41 PM, Valdis Kletnieks
<valdis.kletni...@vt.edu> wrote:
> next-20160512 sets the screen brightness to about 40%-ish or so, rather
> than the 100% intensity I want.
>
> Dell Latitude E6530 laptop.
>
> git bisect tells me:
>
> 059500940defe285222d3b189b366dfe7f299cae is the first bad commit
> commit 059500940defe285222d3b189b366dfe7f299cae
> Author: Aaron Lu <aaron...@intel.com>
> Date:   Wed Apr 27 20:45:04 2016 +0800
>
>     ACPI/video: export acpi_video_get_levels
>
>     The acpi_video_get_levels is useful for other drivers, i.e. the
>     to-be-added int3406 thermal driver, so export it.
>
>     Signed-off-by: Aaron Lu <aaron...@intel.com>
>     Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
>
> :040000 040000 24f4f5abe8beda2fa219dee7549faacc2f63e29f 
> dfbe3a3bb4f58d82d5be768263d91172276fed98 M      drivers
> :040000 040000 603ffbf36e76717fe4f4ecb0418c9dbc59c76e25 
> a559bcd81c949a6471ffd045866df9b4e3fa4406 M      include
>
>
> but I've stared at the code and don't see what would do this....

Please try to check out the acpi-video branch from linux-pm.git and
see if the problem is present then.  If it is, please revert all of
the top-most commits up to and including the above one and see if the
problem goes away.

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