From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756504AbZBJWBP (ORCPT ); Tue, 10 Feb 2009 17:01:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756990AbZBJWAv (ORCPT ); Tue, 10 Feb 2009 17:00:51 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:51064 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756906AbZBJWAu (ORCPT ); Tue, 10 Feb 2009 17:00:50 -0500 From: "Rafael J. Wysocki" To: Pavel Machek Subject: Re: [patch 0/2] Make the touchpad on the MSI Wind netbook work Date: Tue, 10 Feb 2009 23:00:18 +0100 User-Agent: KMail/1.11.0 (Linux/2.6.29-rc2-tst; KDE/4.2.0; x86_64; ; ) Cc: Arjan van de Ven , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org References: <20090204191540.2d6abd87@infradead.org> <20090210202558.GH1382@ucw.cz> In-Reply-To: <20090210202558.GH1382@ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902102300.19065.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 10 February 2009, Pavel Machek wrote: > On Wed 2009-02-04 19:15:40, Arjan van de Ven wrote: > > Hi, > > > > A MSI Wind (100) netbook landed on my desk with the comment "touchpad > > doesn't work in Linux but works in XP". > > > > It turns out that there are a 2 separate issues with this netbook that > > needed fixing > > > > 1) The touchpad requires the equivalent of "i8042.reset", which resets > > the controller before probing. (This is done via a DMI quirk in patch > > 2/2) > > > > 2) About half the time, the reset will fail the first time. In the > > current code, this is fatal and then also disables the keyboard in > > addition to the touchpad. Ungood. Patch 1 makes the kernel retry the > > reset upto five times before giving up (it seems the 2nd or 3rd time > > succeed for me), and also adds an option to not make such a failure > > fatal to the keyboard. > > > > I don't think this is a regression, but it is pretty nasty behavior > > (the machine is useless without) so it could be a 2.6.29 candidate... > > Well, that beast was selling with linux preloaded, no? Or was it > another msi wind? In such case I'd expect old kernel to work... or > maybe some reasonable workaround somewhere... In fact I have an MSI Wind and the touchpad is works on it just fine with the current mainline. Perhaps this one is just another MSI Wind. What model is it? Rafael