From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [Intel-gfx] [RFC] i915/acpi: add lid status notification and detection Date: Wed, 17 Jun 2009 16:10:39 -0700 Message-ID: <20090617161039.45027d45@jbarnes-g45> References: <20090513115734.338b7d55@jbarnes-g45> <1242264144.3773.415.camel@localhost.localdomain> <20090519171545.GA17801@srcf.ucam.org> <1242896273.32574.10.camel@rzhang-dt> <20090521093418.3f1a03d5@jbarnes-g45> <4A15FE57.7040002@linux.intel.com> <20090527015801.2f47089f@jbarnes-x200> <1244704587.3616.109.camel@localhost.localdomain> <20090616113320.69fa477d@jbarnes-g45> <1245205951.3583.169.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from outbound-mail-314.bluehost.com ([67.222.54.7]:60447 "HELO outbound-mail-314.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1761204AbZFQXKk (ORCPT ); Wed, 17 Jun 2009 19:10:40 -0400 In-Reply-To: <1245205951.3583.169.camel@localhost.localdomain> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: yakui_zhao Cc: Fu Michael , "linux-acpi@vger.kernel.org" , "Zhang, Rui" , "intel-gfx@lists.freedesktop.org" , "lenb@kernel.org" , Matthew Garrett On Wed, 17 Jun 2009 10:32:31 +0800 yakui_zhao wrote: > On Wed, 2009-06-17 at 02:33 +0800, Jesse Barnes wrote: > > Well, what should we use then? Think of a common use case: you plug > > in > > an external monitor and shut your lid. Do we want to make the user > > manually change their configuration? Or detect that the lid is no > > longer in use? And what about the case where they boot with the lid > > closed (e.g. in a docked scenario)? We want to support that > > automatically too... > This feature should work on most laptops. When the LID is closed, the > LVDS is marked as disconnected. > > But this can't work for some boxes on which the initial Lid state is > incorrect. We see such an exception on several laptops in ACPI > bugzilla. > > If we expect this feature for most laptops, how about adding the > exception boxes into the blacklist that doesn't support this feature? Yeah, that's fine with me. Is there a list somewhere? Please don't make me troll through ACPI bugzilla! :) -- Jesse Barnes, Intel Open Source Technology Center