linux-kernel - Re: Brightness control for MacBook Pro

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Message-ID: <1265993756.3485.35.camel@no>
Date:	Fri, 12 Feb 2010 17:55:56 +0100
From:	Soeren Sonnenburg <sonne@...ian.org>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Julien BLACHE <jb@...ache.org>, nicolas@...chat.ch,
	felipe_alfaro@...uxmail.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: Brightness control for MacBook Pro - Nvidia 9400

On Fri, 2010-02-12 at 16:44 +0000, Matthew Garrett wrote:
> On Fri, Feb 12, 2010 at 05:42:17PM +0100, Soeren Sonnenburg wrote:
> > On Fri, 2010-02-12 at 16:28 +0000, Matthew Garrett wrote:
> > > On Fri, Feb 12, 2010 at 05:25:22PM +0100, Julien BLACHE wrote:
> > > 
> > > > Is it exposed to userspace in any way? Or, better yet, could we have an
> > > > MBP backlight driver which would hide all of this from userspace?
> > > 
> > > Sure, in nouveau.
> > 
> > OK, great convinced. Any suggestions on where to add printk's to figure
> > out the cause of the hang? The only thing I noticed was the fans turning
> > on so the machine is either stuck in a busy loop or ???
> 
> Best bet is probably to file a bug on bugs.freedesktop.org - I'm afraid 
> I'm not too hot on the GPU bringup side of the driver.

OK, it is here
http://bugs.freedesktop.org/show_bug.cgi?id=26546

Soeren
-- 
For the one fact about the future of which we can be certain is that it
will be utterly fantastic. -- Arthur C. Clarke, 1962

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