[Intel-gfx] Backlight testing

[Zhenyu Wang]

On 2008.05.09 10:47:19 -0700, Jesse Barnes wrote:
> On Thursday, April 24, 2008 8:37 pm Zhenyu Wang wrote:
> > On 2008.04.24 14:47:10 +0200, Lukas Hejtmanek wrote:
> > > Hello Jesse,
> > >
> > > unfortunately, the latest head of the intel driver has problem with
> > > backlight setting again.
> > >
> > > If I change backlight setting while the xserver is running (using /sys
> > > interface), using mplayer resets the setting back to the previous value.
> > >
> > > I think it happens if I set backlight level and then call DPMS from On to
> > > On. The current code does not reread the current value. The following
> > > patch works for me:
> >
> > Good catch, I think we can ignore backlight setting if current target
> > power has already been on, or get/set current level as in your patch.
> 
> Zhenyu, you want to go ahead and apply something like this for the 2.3.1 
> release?

oops, 2.3.1 is out and I missed this one. 

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