From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] ACPI: Disable Windows 8 compatibility for some Lenovo ThinkPads Date: Wed, 13 Feb 2013 21:54:35 +0000 Message-ID: <20130213215435.GA17831@srcf.ucam.org> References: <1360599681-24781-1-git-send-email-seth.forshee@canonical.com> <20130211175213.GA25139@srcf.ucam.org> <20130211190617.GH13768@thinkpad-t410> <20130211190914.GA27364@srcf.ucam.org> <20130213203228.GE22867@thinkpad-t410> <20130213205558.GA16559@srcf.ucam.org> <20130213214654.GG22867@thinkpad-t410> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:42667 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752110Ab3BMVyk (ORCPT ); Wed, 13 Feb 2013 16:54:40 -0500 Content-Disposition: inline In-Reply-To: <20130213214654.GG22867@thinkpad-t410> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Seth Forshee Cc: Len Brown , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, Ben Jencks , joeyli On Wed, Feb 13, 2013 at 03:46:54PM -0600, Seth Forshee wrote: > After every brightness change? Maybe it would be better to just test for > this during initialization, then set device->cap._BQC to 0 so we won't > use it. That would require us to change the backlight during boot, which we don't necessarily want to do. There's also the risk that if we only do the check once it'll correspond to a valid value and we'll get a false positive. -- Matthew Garrett | mjg59@srcf.ucam.org