linux-kernel - Re: 2.6.28 thinks that my PS/2 mouse is a touchpad

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Message-ID: <20081230142903.GA3449@adopmeer.homeip.net>
Date:	Tue, 30 Dec 2008 15:29:03 +0100
From:	Arjan Opmeer <arjan@...eer.net>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	"Alexander E. Patrakov" <patrakov@...il.com>,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: 2.6.28 thinks that my PS/2 mouse is a touchpad

On Tue, Dec 30, 2008 at 01:15:01AM -0800, Dmitry Torokhov wrote:
> On Monday 29 December 2008 22:03:35 Alexander E. Patrakov wrote:
> >
> > This is still slightly wrong. The mouse does work, but is misnamed in
> > the dmesg output and in /proc/bus/input/devices:
> >
> > psmouse serio1: ID: 10 00 64<6>elantech.c: Elantech version query result
> > 0x00, 0x01, 0x64.
> > elantech.c: Probably not a real Elantech touchpad. Aborting.
> > input: ImExPS/2 Elantech Touchpad as /class/input/input8
> 
> Yeah, elantech_init() is too late, we need to do something in
> elantech_detect()... 

Well, we could also move that Elantech version query and test for sane
values into elantech_detect().  However, because we have no private data
structure at that time it would mean we have to do the same query again in
elantech_init() to store fw_version_maj and fw_version_min.

> Maybe we need to pull part of Logitech check (number of buttons for
> example) from logips2pp.c.

I think the solution above is simpler although maybe not as pretty... :)


Arjan
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