linux-kernel - Re: [PATCH v2 0/3] Fix Win8 backlight issue

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Date:	Wed, 18 Sep 2013 16:36:14 +0400
From:	Igor Gnatenko <i.gnatenko.brain@...il.com>
To:	Aaron Lu <aaron.lu@...el.com>
Cc:	linux-acpi@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Daniel Vetter <daniel@...ll.ch>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	Seth Forshee <seth.forshee@...onical.com>,
	Lee Chun-Yi <joeyli.kernel@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Yves-Alexis Perez <corsac@...ian.org>,
	Felipe Contreras <felipe.contreras@...il.com>,
	Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
	Jani Nikula <jani.nikula@...ux.intel.com>
Subject: Re: [PATCH v2 0/3] Fix Win8 backlight issue

On Wed, 2013-09-18 at 20:31 +0800, Aaron Lu wrote:
> On 09/18/2013 02:30 PM, Igor Gnatenko wrote:
> > On Wed, 2013-09-18 at 09:03 +0800, Aaron Lu wrote:
> >> On 09/17/2013 09:34 PM, Igor Gnatenko wrote:
> >>>
> >>> Aaron, how about fix indicator on ThinkPads ?
> >>
> >> Can you please describe the problem in detail, is it that when you
> >> adjust brightness level through hotkey, there is no GUI indication?
> >> Thanks.
> >>
> >> -Aaron
> > 
> > Yes. On my ThinkPad X230 I pressing backlight hotkeys. Actually
> > brightnes changing, but have no indicator in GUI.
> 
> Oh, that's still the problem of _BCL not getting executed once for
> Lenovo thinkpad laptops. I borrowed a Thinkpad X1 this afternoon and can
> reproduce this, I'll take a look at this issue. The thinkpad-acpi module
> already has a call to _BCL but somehow that doesn't happen.
> 
> Since it's national holidays here, I'll check this issue when I got back
> to work on this Saturday. Thanks for the quick test :-)
Thanks. No problem ;-)
> 
> -Aaron


-- 
Igor Gnatenko
Fedora release 20 (Heisenbug)
Linux 3.11.1-300.fc20.x86_64

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