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Date: Sun, 28 Nov 2010 22:36:22 +0300
From: Dan Carpenter <error27@gmail.com>
To: Patrick Schaaf <bof@bof.de>
Cc: chris@chris-wilson.co.uk, mjg@redhat.com, rpurdie@rpsys.net,
        kernelorg@bof.de, intel-gfx@lists.freedesktop.org,
        linux-kernel@vger.kernel.org, keithp@keithp.com
Subject: Re: back light conflict i915 vs dell-laptop
Message-ID: <20101128193622.GC30799@bicker>
Mail-Followup-To: Dan Carpenter <error27@gmail.com>,
	Patrick Schaaf <bof@bof.de>, chris@chris-wilson.co.uk,
	mjg@redhat.com, rpurdie@rpsys.net, kernelorg@bof.de,
	intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	keithp@keithp.com
References: <20101125093301.GT1522@bicker>
 <1290967527.4456.8.camel@lat1>
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On Sun, Nov 28, 2010 at 07:05:27PM +0100, Patrick Schaaf wrote:
> On Thu, 2010-11-25 at 12:33 +0300, Dan Carpenter wrote:
> > Patrick Schaaf has reported that the i915 driver is setting his
> > backlight very dim when he starts GDM.
> > 
> > https://bugzilla.kernel.org/show_bug.cgi?id=23472
> > 
> > It should be the dell-laptop platform driver controlling his backlight.
> > 
> > Gnome tries to restore the backlight settings through the dell_laptop
> > interface in sysfs but it fails.  (Because the platform hardware refuses
> > to set the settings to what it thinks they already are).
> 

Keith Packard wrote in another thread that there were some patches
to address this in his git repo:

git://people.freedesktop.org/~keithp/linux-2.6 drm-intel-next

regards,
dan carpenter


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