From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Henrik Rydberg" Subject: Re: [PATCH] input: Fix USB autosuspend on bcm5974 Date: Fri, 7 Oct 2011 19:42:14 +0200 Message-ID: <20111007174214.GA2746@polaris.bitmath.org> References: <1317936997-20438-1-git-send-email-mjg@redhat.com> <20111006223835.GA30738@core.coreip.homeip.net> <20111006231954.GA32029@srcf.ucam.org> <201110070837.46926.oliver@neukum.org> <20111007123653.GA7325@srcf.ucam.org> <20111007162027.GA25307@core.coreip.homeip.net> <20111007162756.GA12136@srcf.ucam.org> <20111007170612.GA2215@polaris.bitmath.org> <20111007171324.GC12879@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from smtprelay-b12.telenor.se ([62.127.194.21]:54120 "EHLO smtprelay-b12.telenor.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758126Ab1JGRfv (ORCPT ); Fri, 7 Oct 2011 13:35:51 -0400 Received: from iph1.telenor.se (iph1.telenor.se [195.54.127.132]) by smtprelay-b12.telenor.se (Postfix) with ESMTP id 6AEC2C710 for ; Fri, 7 Oct 2011 19:35:50 +0200 (CEST) Content-Disposition: inline In-Reply-To: <20111007171324.GC12879@srcf.ucam.org> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Matthew Garrett Cc: Dmitry Torokhov , Oliver Neukum , linux-input@vger.kernel.org On Fri, Oct 07, 2011 at 06:13:25PM +0100, Matthew Garrett wrote: > On Fri, Oct 07, 2011 at 07:06:12PM +0200, Henrik Rydberg wrote: > > > And yet, there is a complication, since the keyboard and mouse > > interfaces are both present on the same device. I just ran a small > > test, on an MBA3,1. While it is true that the trackpad generates > > wakeup events on touch, it enters a loop of suspend/resume, presumably > > due to the keyboard. Moreover, the trackpad emits some strange packets > > which leave a (large) message trail. > > I've seen the occasional error message on my 3,1, but I haven't seen any > looping suspend/resume. You need to sprinkle some outputs in the actual autosuspend machinery to see it. Henrik