From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark gross Subject: Re: [PATCH] platform/x86: Add Driver to set up lid GPEs on MS Surface device Date: Tue, 15 Sep 2020 14:19:50 -0700 Message-ID: <20200915211950.GL103884@mtg-dev.jf.intel.com> References: <20200908171934.1661509-1-luzmaximilian@gmail.com> <20200911221053.GF103884@mtg-dev.jf.intel.com> Reply-To: mgross@linux.intel.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org To: Maximilian Luz Cc: Darren Hart , Andy Shevchenko , Hans de Goede , Mika Westerberg , Gayatri Kammela , "Rafael J. Wysocki" , Len Brown , platform-driver-x86@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: platform-driver-x86.vger.kernel.org On Sat, Sep 12, 2020 at 12:46:30AM +0200, Maximilian Luz wrote: > On 9/12/20 12:10 AM, mark gross wrote: > > Surface devices are tablets with detachable keyboards. they don't really > > have a "lid" as the tablet is the "lid". > > The Surface Laptop series doesn't have a detachable keyboard, yet still > requires this. Arguably, the Surface Books are also more laptop than > tablet (at least that's the way I use mine...). Finally, on the actual > tablets (Surface Pro series) the lid switch detects when the keyboard > cover is opened (or at least that's what I have been told, I don't > own/have access to a Pro series device). > > Regardless of that, this patch is intended to provide the same behavior > as found on Windows, for all devices included in this patch, which is: > When you open the lid, or in case of the Pro series fold away the > keyboard cover, the device wakes from suspend/s2idle. Without this > patch, that doesn't work. > > > I'm just questioning if the creator of the device designed it the way they did > > maybe we should think twice about doing this. > > As far as I can tell, the intended behavior is to wake the device when > the lid is opened, which on the Laptops and Books is a more conventional > lid and on the Pros constitutes opening the cover. > > I'm open for any alternative though. > > Also please note that I've already sent a v2 of this patch with Andy's > comments addressed: https://lore.kernel.org/patchwork/patch/1303997/ never mind then. --mark