linux-kernel - Re: Lenovo 3000 N100 i8042 problems

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Message-ID: <20080902124313.GA24358@khazad-dum.debian.net>
Date:	Tue, 2 Sep 2008 09:43:13 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Daniel Barkalow <barkalow@...ervon.org>,
	linux-kernel@...r.kernel.org,
	Christopher Desjardins <cddesjardins@...il.com>,
	Dmitry Torokhov <dtor@...l.ru>
Subject: Re: Lenovo 3000 N100 i8042 problems

On Tue, 02 Sep 2008, Jiri Kosina wrote:
> so the product name both of System and Base Board are different, and 
> apparently the systems differ. Dmitry, what fields would you propose to be 
> put in the DMI matching here? I will do the patch then.

Are you sure you shouldn't be looking at BIOS version, instead? I don't know
how the Lenovo N100 series is, but chances are their i8042 is emulated
inside the ACPI EC, i.e. a firmware upgrade can change the i8042 behaviour.

I'd check BIOS versions, and ask people to upgrade to the latest, to see if
the problem goes away (or changes).  Then you will know for sure the best
approach.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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