From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vojtech Pavlik Subject: Re: [PATCH] Input: Add Acer Aspire 5710 to nomux blacklist Date: Wed, 9 Jul 2014 19:48:21 +0200 Message-ID: <20140709174821.GA30912@suse.cz> References: <20140709165438.GC10364@core.coreip.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from jablonecka.jablonka.cz ([91.219.244.36]:49701 "EHLO jablonecka.jablonka.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754252AbaGISMJ (ORCPT ); Wed, 9 Jul 2014 14:12:09 -0400 Content-Disposition: inline In-Reply-To: <20140709165438.GC10364@core.coreip.homeip.net> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: Jiri Kosina , linux-input@vger.kernel.org, hdegoede@redhat.com On Wed, Jul 09, 2014 at 09:54:38AM -0700, Dmitry Torokhov wrote: > On Wed, Jun 25, 2014 at 11:42:43AM +0200, Jiri Kosina wrote: > > Acer Aspire needs to be added to nomux blacklist, otherwise the touchpad > > misbehaves rather randomly. > > > > Signed-off-by: Jiri Kosina > > > > --- > > > > Hi Dmitry, > > > > I've come across this a few year old patch originating from our internal > > bugzilla, which was apparently been lost between the cracks somewhere. > > We've been carrying it in our kernel tree for quite some time ... could > > you please apply it? Thanks. > > I will. I also wonder if by now we should stop defaulting to MUX mode: > all newer desktop/server boxes use USB, only laptops still use PS/2, MUX mode was only ever available on laptops - no desktop computer I'm aware of ever had it. > and quite a few of them not implement active MUX properly. Do you still get reports of non-working, but advertized Active Multiplexing mode on new laptops? > I also expect > that most of external PS/2 mice are dead by now, so number of cases when One would at least hope so. Sadly, internal mice and PS/2 keyboards aren't going to go away any soon, due to larger power consumption of USB devices. > we have users with PS/2 touchpad + external PS/2 mouse + working active > MUX is exceedingly small. > > Let's pull Vojtech in ;) What I'd prefer is to, based on DMI data, report but not enable by default Active MUX mode on any machine manufactured after a certain date. Plus have a DMI-based whitelist for machines that absolutely needed, if any are found later. -- Vojtech Pavlik Director SUSE Labs