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

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Date:	Thu, 20 Nov 2008 00:31:27 +0100
From:	Henrik Rydberg <rydberg@...omail.se>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	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

Dmitry Torokhov wrote:
> Hi Henrik,
> 
> On Fri, Nov 07, 2008 at 12:15:29PM +0100, Henrik Rydberg wrote:
>> In order to utilize the full power of the new multi-touch devices, a
>> way to report detailed finger data to user space is needed. This patch
>> adds a multi-touch (MT) protocol which allows drivers to report details
>> for an arbitrary number of fingers.
>>
[...]
> 
> Sorry for the long silence. I don't think utilizing button events for
> this is a good idea. I'd rather just start reporting extended touch
> events for a finger and signal end of sub-packet with something like
> EV_SYN/SYN_MT_REPORT.
> 

Long time no see :-)

Yes, there has been quite a bit of feedback on this patch, and using
EV_SYN the way you suggest came up. Thanks - will redo.

Henrik

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