[PATCH] fix backlight brightness on intel LVDS panel after reopening lid

Tino Keitel tino.keitel at tikei.de
Tue Feb 22 14:31:20 PST 2011


On Tue, Feb 22, 2011 at 13:04:40 -0800, Jesse Barnes wrote:
> On Sat, 19 Feb 2011 15:07:49 -0800
> Linus Torvalds <torvalds at linux-foundation.org> wrote:
> 
> > On Sat, Feb 19, 2011 at 4:26 AM, Alex Riesen <raa.lkml at gmail.com> wrote:
> > > On Sat, Feb 19, 2011 at 13:11, Alex Riesen <raa.lkml at gmail.com> wrote:
> > >>> Lastly, could you verify that my patch at https://lkml.org/lkml/2011/2/16/447 fixes
> > >>> it for you too? (Make sure you're at max brightness before rebooting.)
> > >>
> > >> I'll try it now.
> > >>
> > >
> > > I can confirm that it does fix backlight in my case (Dell XPS 1330,
> > > LVDS panel, GM965/GL960).
> > >
> > > Tested-by: Alex Riesen <raa.lkml at gmail.com>
> > 
> > Guys, should I apply this, or will I get it through somebody's pull?
> 
> I'm worried that removing combo mode will break some working setups,
> but if it's seen a lot of testing and is ok, then I'm fine with it, as
> it definitely simplifies things.

Hi,

I just tried 2.6.38-rc6 on my ThinkPad X61s without any other DRM
related patches, and my backlight issue is gone.

Regards,
Tino


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