From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Cc: James Hogan <james@albanarts.com>, Kamal Mostafa <kamal@canonical.com>,
        Steven Newbury <steve@snewbury.org.uk>,
        Martin Steigerwald <Martin@lichtvoll.de>,
        =?ISO-8859-1?Q?J=F6rg?= Otte <jrg.otte@gmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Matthew Garrett <matthew.garrett@nebula.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
        ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
        Aaron Lu <aaron.lwe@gmail.com>
Subject: Re: Linux 3.11-rc2 (acpi backlight)
Date: Wed, 24 Jul 2013 14:06:01 +0200
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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@sisk.pl> 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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