Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752910Ab2EXHVf (ORCPT ); Thu, 24 May 2012 03:21:35 -0400 Received: from home.keithp.com ([63.227.221.253]:57011 "EHLO keithp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750808Ab2EXHVd (ORCPT ); Thu, 24 May 2012 03:21:33 -0400 X-Greylist: delayed 455 seconds by postgrey-1.27 at vger.kernel.org; Thu, 24 May 2012 03:21:27 EDT From: Keith Packard To: Matthew Garrett Cc: linux-kernel@vger.kernel.org, Bdale Garbee Subject: Re: [PATCH] acpi/video: Don't restore backlight to 0 at boot time In-Reply-To: <20120103221954.GA2313@srcf.ucam.org> References: <1325321547-20637-1-git-send-email-keithp@keithp.com> <20120103221954.GA2313@srcf.ucam.org> User-Agent: Notmuch/0.13 (http://notmuchmail.org) Emacs/23.4.1 (i486-pc-linux-gnu) Date: Thu, 24 May 2012 00:13:40 -0700 Message-ID: <86ehqajbkr.fsf@sumi.keithp.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1747 Lines: 44 --=-=-= Content-Transfer-Encoding: quoted-printable Matthew Garrett writes: > ACPI arguably does define 0 as being off (this is exceedingly poorly=20 > defined), but I'm not entirely happy with this - the firmware makes its=20 > behaviour conditional on the OS version. I'd really like to see an=20 > updated version of the Intel opregion spec to get a better idea of what=20 > we're meant to be doing here, but the last one made public was > ancient. Kernel 3.4 continues to break on this machine; I'd love to know how to get a suitable fix upstreamed... =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUBT73fpDYtFsjWk68qAQgCRRAAwaguppWlV2hNWnk0vMFdPZKBArdj9diD O5yo4chRPYeK0RO0SC/aCniVi9/vEbt/jQOXIiVC4bHPCha6SigOHyHTMdMu8NWI wcA37dRWUTmfhc3EVuFRwJFJ/J+6N0qc+MrpQ3sAZdtF9DWWl6yJ15oZr+l7baeZ vYvMk+jyd6E06bRcE3+NG/9tFZPjPrcm+WjgolkKZzMZtKOegDlSCDFPi2OJHAyX rSYAEYZXLpkmjZkqx6YLhRdSyIw/0iTnSmv0Lo3OBwUnH7JZ54h/9VSUKz3dQNRp X18MePx+3rTWzUjSdpZFF5MEqEr/4nr9bCRiksmezVldTzSZhbIgnjhYndYTbfPX N4/ACzK1GunX3eC3Kqp1SjVVBjdwlz3/gTGJyNfG7yc/OuQqoHKAMKn7thqF7tCm f/p5A/BYmPXiz/KVNldoWgXStwpquiHjkAdg4sDgfiwac3r0G3IdSmL9m5JJx/7U xc38v3mn8DgM9zkpH3ijXwRI2qoq/cTlPitaovPXRY5rhSYw3Y3+dI67GkWexJa5 FqxlJ3VUiafB15gzni9JlqOp2cBhJPwRsmA/rXsqNTuwdJJy/yW3tgVTssNx6NJt r16ka7+CIioHnIam1FGJbrY8kT5xMdNpIj8qXmR5V+gqU/JnVHE6A4TgmTEba/12 GNmzOcnLbpY= =cymY -----END PGP SIGNATURE----- --=-=-=-- -- 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/