From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henrik Rydberg Subject: Re: [PATCH] input: Add a detailed multi-touch finger data report protocol Date: Thu, 20 Nov 2008 00:31:27 +0100 Message-ID: <4924A1CF.1050703@euromail.se> References: <49142351.9080805@euromail.se> <20081119113508.ZZRA012@mailhub.coreip.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from ch-smtp01.sth.basefarm.net ([80.76.149.212]:47073 "EHLO ch-smtp01.sth.basefarm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751531AbYKSXbg (ORCPT ); Wed, 19 Nov 2008 18:31:36 -0500 In-Reply-To: <20081119113508.ZZRA012@mailhub.coreip.homeip.net> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: Andrew Morton , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org 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