Re: back light conflict i915 vs dell-laptop

From: Dan Carpenter
Date: Sun Nov 28 2010 - 14:40:04 EST


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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