Bug#439744: reversion in Legacy Backlight Brightness support

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

On Tue, Aug 28, 2007 at 02:30:04PM -0400, Joey Hess wrote:
> Brice Goglin wrote:
> > A different backlight regression has been reported in 2.1.1
> >     https://bugs.freedesktop.org/show_bug.cgi?id=11527
> >     http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=438969
> 
> I'm seeing similar behavior to those with 2.1.0, but only if I use the
> bios-controlled backlight setting keys. X doesn't notice when the
> backlight is changed by that and starting mplayer switches it back to
> the last brightness level X set.
> 
> > Could you try reverting the following commit from driver 2.1.1 ?
> > http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-intel.git;a=commitdiff;h=a85dd7adc35601a988b1001e8b3c8aa4d53de0c0;hp=c989cb4897e2e2d395c52df4822290a767cdc866
> 
> Yep, with that reverted, xbacklight works well again.

There is a proposed patch at https://bugs.freedesktop.org/show_bug.cgi?id=11527
Could you apply it on top of current upstream git and see whether it helps?

It would be nice to post a comment in the upstream bug too (with your 
exact intel board), I will do so if you can't.

Thanks,
Brice