linux-kernel - Re: [PATCH] psmouse: disable the synaptics extension on OLPC machines.

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Message-ID: <20101217221447.375b9977@queued.net>
Date:	Fri, 17 Dec 2010 22:14:47 -0800
From:	Andres Salomon <dilinger@...ued.net>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	dsd@...top.org, pgf@...top.org, James Cameron <quozl@...top.org>
Subject: Re: [PATCH] psmouse: disable the synaptics extension on OLPC
 machines.

On Fri, 17 Dec 2010 21:49:28 -0800
Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:

> On Fri, Dec 17, 2010 at 09:09:39PM -0800, Andres Salomon wrote:
> > 
> > OLPC has switched to a Synaptics touchpad.  It turns out that it's
> > pretty useless in absolute mode.  This patch looks for an OLPC
> > system (via DMI tables), and refuses to init Synaptics mode in
> > that scenario (falling back to relative mode).
> > 
> > Signed-off-by: Andres Salomon <dilinger@...ued.net>
> 
> Andres,
> 
> Can we do what hgpk does and add "depend on !OLPC" to the Kconfig
> instead?
> 
> Thanks.
> 

That wouldn't work for distro kernels, unfortunately.  Currently the
kernels that OLPC releases disable CONFIG_MOUSE_PS2_SYNAPTICS.  I'd
like to use a stock distribution kernel, which would need to enable
both CONFIG_OLPC *and* CONFIG_MOUSE_PS2_SYNAPTICS.. Hence the
motivation for this patch. :)
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