From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754701Ab2INNBy (ORCPT ); Fri, 14 Sep 2012 09:01:54 -0400 Received: from mga09.intel.com ([134.134.136.24]:14189 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753318Ab2INNBu (ORCPT ); Fri, 14 Sep 2012 09:01:50 -0400 Message-Id: <84c8a8$5o3dgr@orsmga001.jf.intel.com> X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,422,1344236400"; d="scan'208";a="193050139" From: Chris Wilson Subject: Re: [PATCH] i915: Quirk out disconnected backlight To: Grant Likely , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: Grant Likely , Daniel Vetter , David Airlie , Matthew Garrett , David Woodhouse In-Reply-To: <1347627426-3813-1-git-send-email-grant.likely@secretlab.ca> References: <1347627426-3813-1-git-send-email-grant.likely@secretlab.ca> Date: Fri, 14 Sep 2012 14:01:32 +0100 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 14 Sep 2012 13:57:06 +0100, Grant Likely wrote: > Some platforms (for instance MacbookPros) have custom backlight drivers > and don't use the integrated i915 backlight control. This patch adds a > quirk to disable registering the intel backlight when unused on a > platform. > > Tested on MacbookPro8,3. Without this patch both the intel_backlight and > gmux_backlight devices get registered and userspace doesn't know which > it should use. Userspace is informed throught the backlight/type property. -Chris -- Chris Wilson, Intel Open Source Technology Centre