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

From: Pavel Machek
Date: Tue Feb 10 2009 - 15:26:33 EST


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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