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Date: Wed, 16 Feb 2011 21:28:49 +0100
Message-ID: <AANLkTin=RmwByxK0Q_w_O3fpqW8BUTW+LdsfjGbq3CNy@mail.gmail.com>
Subject: Re: [PATCH] fix backlight brightness on intel LVDS panel after
 reopening lid
From: Alex Riesen <raa.lkml@gmail.com>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: DRI mailing list <dri-devel@lists.freedesktop.org>,
        Chris Wilson <chris@chris-wilson.co.uk>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Wed, Feb 16, 2011 at 21:05, Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> On Wed, 16 Feb 2011 20:59:35 +0100
> Alex Riesen <raa.lkml@gmail.com> wrote:
>>
>> I don't think it is related. I don't have problems switching
>> the outputs (frankly, didn't try) and I do have problems
>> restoring backlight, very similar to what I had earlier in
>> 2.6.37.
>
> Right, but it affects the registration of the backlight and ACPI video
> interface as well, so can affect backlight restore on resume.  In my
> case, without the above patch my backlight wouldn't be restored on
> resume, so I'd have to manually echo a value
> into /sys/class/backlight/<foo> to get my display back.

Ok, I tried, but only to find out that my tree already has the
patch (it is in mainline since today). So it definitely
does not help.

Thanks anyway
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