linux-kernel - Re: [PATCH] fix backlight brightness on intel LVDS panel after reopening lid

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Date:	Wed, 16 Feb 2011 11:54:06 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Alex Riesen <raa.lkml@...il.com>
Cc:	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fix backlight brightness on intel LVDS panel after
 reopening lid

On Wed, 16 Feb 2011 20:46:45 +0100
Alex Riesen <raa.lkml@...il.com> wrote:

> On Wed, Feb 16, 2011 at 20:26, Alex Riesen <raa.lkml@...il.com> wrote:
> > Linus Torvalds, Wed, Feb 16, 2011 05:16:01 +0100:
> >> Most of the changes are pretty spread out and small, with drivers/gpu
> >> (radeon and i915) somewhat standing out from the pack. ...
> >
> > The backlight level on this Dell XPS M1330 reduces every time I reopen
> > the lid, and BIOS does not seem to know anything about that (the
> > keyboard shortcuts to set backlight brightness cause it to jump to the
> > level next to the one set before closing the lid).
> 
> It is this bug, I believe:
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=25072
> 
> I somehow missed it at first, and only noticed after sending the patch.

There's also this patch: https://patchwork.kernel.org/patch/499221/.
It got things working on my E6510 again at least.

-- 
Jesse Barnes, Intel Open Source Technology Center
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