linux-kernel - Re: [PATCH] input: Add a detailed multi-touch finger data report protocol

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Message-ID: <4914599D.9060403@euromail.se>
Date:	Fri, 07 Nov 2008 16:07:09 +0100
From:	Henrik Rydberg <rydberg@...omail.se>
To:	"J.R. Mauro" <jrm8005@...il.com>
CC:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] input: Add a detailed multi-touch finger data report
 protocol


> I think this approach is cleaner than "fooling" userspace into seeing
> a bunch of mice.

The many-input-device approach has problems with synchronicity. In
particular when envisioning the appearance of more advanced chips,
with finger matching in hardware. Currently, no chip with open or
sufficient documentation has these features, but it is probably
only a matter of time.
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