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

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Message-ID: <4924A289.6030906@euromail.se>
Date:	Thu, 20 Nov 2008 00:34:33 +0100
From:	Henrik Rydberg <rydberg@...omail.se>
To:	jg@...top.org
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

Jim Gettys wrote:
[...]
> Also, I'm still concerned about using elipses. I doubt very much any
> hardware will ever be reporting elipses; more likely are parallelograms,
> or trapezoids, other simple geometric figures, rather than a center with
> size and orientation.

The bcm5974 chip is doing precisely this.

Henrik

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