From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756868Ab1KVBkS (ORCPT ); Mon, 21 Nov 2011 20:40:18 -0500 Received: from home.keithp.com ([63.227.221.253]:44179 "EHLO keithp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752924Ab1KVBkQ (ORCPT ); Mon, 21 Nov 2011 20:40:16 -0500 From: Keith Packard To: Marcos Paulo de Souza Cc: linux-kernel@vger.kernel.org, airlied@linux.ie, dri-devel@lists.freedesktop.org Subject: Re: max PWM is zero In-Reply-To: References: <864ny0kku8.fsf@sumi.keithp.com> User-Agent: Notmuch/0.9 (http://notmuchmail.org) Emacs/23.3.1 (i486-pc-linux-gnu) Date: Mon, 21 Nov 2011 17:40:11 -0800 Message-ID: <86ipmdgcjo.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-Transfer-Encoding: quoted-printable On Mon, 21 Nov 2011 22:48:21 +0000 (Local time zone must be set--see zic ma= nual page), Marcos Paulo de Souza wrote: > My max_brightness is 1, and my brightness is 0. Right, we've prevented the internal backlight driver from exposing a max value of 0 as that's just confusing. > But, my acpi_video0 have a=20 > max_brightness value =3D 9... Right, sounds like your device is just using some other backlight controller, which is perfectly reasonable. > So, what can I do to silence this warning...? Change the driver of=20 > backlight? If your backlight keys work correctly, then things are fine and perhaps we should just remove the warning from the driver, or disable the internal driver when we discover this situation. This is the first time I've heard of this warning appearing... =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUBTsr9ezYtFsjWk68qAQh6lxAAlZUCzuixhvggMsRXWrFU15TyaavhA1rZ f2WjF0zCGj3wSc/X3/dMXxn2LQv1WmSM6u49GDgccyy6yZLwzlr90iLRLV2t3eho BaOO214Sqe3uQQJXniEym7hPE0CatLeDXiZQw37DkxY7PgLX+oUCFhKPVw1fFNwa Jw1Pa0rKSb1cg/kHB2J90saKTE85Piwv9eEDLUhDeJzI5LB3lxVoXVtmxUbqa+3n vGgFUfdp9PNXzd9x+boHAZKMSSa1pXH/KioKpiSCftNyCd6EtiDymjs3Gy98zc/g SlbXzgTq+W7h86r8UEdUUEp4ocFnRaFEAnqdedy4aG5Bj6OSisClhNdI5148Bwi1 09ZTCfqgCl7KnncULDZ1bCRt1+8dpItLXrECR7qjIFQThYpMaL7kGjTseQPfGB8i wxOiKImpaP1UW0muODDWf5I9Jo4xfctzPAZ4zRVuhrJETMDos2BoLPOLmkR5FgNF 21hTM7qXm+j0FmRa5cce+EVzE6yt8nDP+YvJZSpYuWLclML75+5zAcBcxVHRXZYU rciL1rcK2gzLe7sRWJLFCj6MW4BUCRDyJj2u5IsHHLBW5lKwTw6tqHQpS5cO8Upp 8N5Y8qQnjwDtFBR91H1rTfySWZr7DqRNrnETkVlpb7Ajm90gDxjbiheV3Ta0moxP lU49oS66BIw= =fyBK -----END PGP SIGNATURE----- --=-=-=--