linux-kernel - Re: [patch 0/2] Make the touchpad on the MSI Wind netbook work

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Message-Id: <200902102300.19065.rjw@sisk.pl>
Date:	Tue, 10 Feb 2009 23:00:18 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org
Subject: Re: [patch 0/2] Make the touchpad on the MSI Wind netbook work

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
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