Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757305Ab0BLQz5 (ORCPT ); Fri, 12 Feb 2010 11:55:57 -0500 Received: from nn7.de ([85.214.94.156]:44827 "EHLO nn7.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757063Ab0BLQzz (ORCPT ); Fri, 12 Feb 2010 11:55:55 -0500 Subject: Re: Brightness control for MacBook Pro - Nvidia 9400 From: Soeren Sonnenburg To: Matthew Garrett Cc: Julien BLACHE , nicolas@boichat.ch, felipe_alfaro@linuxmail.org, Linux Kernel In-Reply-To: <20100212164412.GA21279@srcf.ucam.org> References: <1265920725.7103.7.camel@no> <878wayk8hn.fsf@sonic.technologeek.org> <20100212141457.GA18714@srcf.ucam.org> <87zl3eto99.fsf@sonic.technologeek.org> <20100212162810.GA20998@srcf.ucam.org> <1265992937.3485.34.camel@no> <20100212164412.GA21279@srcf.ucam.org> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-G8rvj5Hhg0h2wh5e3C/O" Date: Fri, 12 Feb 2010 17:55:56 +0100 Message-ID: <1265993756.3485.35.camel@no> Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2402 Lines: 60 --=-G8rvj5Hhg0h2wh5e3C/O Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: quoted-printable 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: > > >=20 > > > > Is it exposed to userspace in any way? Or, better yet, could we hav= e an > > > > MBP backlight driver which would hide all of this from userspace? > > >=20 > > > Sure, in nouveau. > >=20 > > 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 turnin= g > > on so the machine is either stuck in a busy loop or ??? >=20 > Best bet is probably to file a bug on bugs.freedesktop.org - I'm afraid=20 > 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=3D26546 Soeren --=20 For the one fact about the future of which we can be certain is that it will be utterly fantastic. -- Arthur C. Clarke, 1962 --=-G8rvj5Hhg0h2wh5e3C/O Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAABAgAGBQJLdYgcAAoJEH82z1Wqh6p3hHoQAMyFvl8YHXQgqe8tvqHCtSAy bT9Hd3c/CX3lhXboErdU0p4nENWEGkDOQOgiP1V3p4Xaigw4xALHsxYprcigB+FB DHc9C6PHgOqDIcxbQDaxFbvoQ4SLUL2nb9Y+o59aL4nD6oDQFIAgNCRA29yHhivz jzkvSdixMbafabS1MaL2s17av6107kS29gBKcBK4qvoXqSUR65Ad1EtNCDvabzFQ 9kItwmPr5Ly4TGNseGFFUpeTCAxcxPvHXKB4xp8stTRiRHkWdSfoUjHTJ5QGCKGz FmrJiXM+igSHxHhBlIhGKUkPc1IvQ0M3KFl0cb18H9Fc4Ztci0HlcTGPBUIZXMge 2MHoQiMAq6nBjQ9VAcUSUqzhAwB9goX5X31t4PeHLGQI13VWtmJeBjsd930xmLhS 9+yQXYrDdJZjYRnxgsa/Ixb9fv4CKiPoIcF8rToKofizvbvzql2SfwIZKYCQQFLd XqMMG5JXUDTVaQtoWWLb/LTU5YPgRFJ/I2+XnYBWNWW7bGxVSRlQntEBR3Mm1Zpp gYJU8MnqBAHWtZx64w+NgVxDHwk406SAOIDOhSFnWBd/N/R7hdE/j2JDrMpEnLGZ xKQeQt5Ur2QV8VTLXxuAS1CHdH2p8A1Fd7iZglLFJ0rzyhs4u/ZCVoi/fBfNNdI6 5TEBSCbTMUMH5Q3zyxtP =jBs0 -----END PGP SIGNATURE----- --=-G8rvj5Hhg0h2wh5e3C/O-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/