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Message-ID: <20100212164412.GA21279@srcf.ucam.org> Date: Fri, 12 Feb 2010 16:44:12 +0000 From: Matthew Garrett <mjg59@...f.ucam.org> To: Soeren Sonnenburg <sonne@...ian.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, 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. -- Matthew Garrett | mjg59@...f.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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