From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marco Chiappero <marco@absence.it>
Subject: Re: [PATCH 19/25] sony-laptop: add touchpad enable/disable control
 file
Date: Fri, 03 Jun 2011 22:33:05 +0200
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References: <4DE8FC4A.9010401@absence.it> <4DE92514.8080405@absence.it> <201106031323.55763.dmitry.torokhov@gmail.com>
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To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>, platform-driver-x86@vger.kernel.org, Mattia Dongili <malattia@linux.it>

Il 03/06/2011 22:23, Dmitry Torokhov ha scritto:

> Why do we want to do this? X allows to ignore certain pointing devices
> IIRC.

Because I believe it turns off the device, the power state is also 
stored and preserved across reboots and shutdowns. Telling X to ignore 
the input is, IMHO, a workaround if we have the hardware capability for 
that (and why should we suppose that X will be used always and forever?).