linux-kernel - Re: [PATCH 0/3] Input: synaptics - multitouch and multifinger support

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Date:	Mon, 11 Oct 2010 09:40:24 +0200
From:	Henrik Rydberg <rydberg@...omail.se>
To:	Takashi Iwai <tiwai@...e.de>
CC:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Chase Douglas <chase.douglas@...onical.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Input: synaptics - multitouch and multifinger support

On 10/11/2010 09:28 AM, Takashi Iwai wrote:
[...]

> Right, but it's pretty hard to know whether it works really for all
> machines, simply because the current MT-detection is nothing but a
> pure guess work.  As mentioned in another mail, there are devices that
> have no this bit but reports multi-finger detections without
> tracking.  So, there are definitely other things to be checked.
> 
> Thus, I'm inclined to add a module option, at least, for *disabling*
> MT for non-working machines.  Also, another question is whether it's
> safe to enable MT even for user-space that don't understand MT.


Yes, you can add MT support on top of the ST protocol of an existing driver.

Henrik
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