Re: Linux 3.11-rc2 (acpi backlight)

From: Rafael J. Wysocki
Date: Wed Jul 24 2013 - 07:56:11 EST


On Wednesday, July 24, 2013 11:19:10 AM Igor Gnatenko wrote:
> On Wed, 2013-07-24 at 07:49 +0100, James Hogan wrote:
> > On 24 July 2013 01:05, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> > > I'd like to collect some information on the systems having problems with those
> > > two commits (to see if they are similar somehow).
> > >
> > > It seems that one common symptom is that brightness cannot be controlled
> > > through function keys. Is that correct for all of you? If so, did you try
> > > any other way to control brightness, like a GUI-based?
> >
> > For me both the Fn keys and the gui slider (kde) now control
> > /sys/class/backlight/intel_backlight/brightness (which has no effect).
> > Previously they both controlled the acpi one (that on -rc2 doesn't
> > exist).
> I think this problem in i915 drivers.
> Rafael, Mathew, Aaron, fix me please

Yes, it is my impression too.

Thanks,
Rafael


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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