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

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Message-ID: <20090210202558.GH1382@ucw.cz>
Date:	Tue, 10 Feb 2009 21:25:58 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Arjan van de Ven <arjan@...radead.org>
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 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...

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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