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

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Message-ID: <20090210150643.45278cf1@infradead.org>
Date:	Tue, 10 Feb 2009 15:06:43 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Pavel Machek <pavel@...e.cz>
Cc:	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 Tue, 10 Feb 2009 21:25:58 +0100
Pavel Machek <pavel@...e.cz> 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...

afaik the newer ones have a different touchpad


> 


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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