From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henrik Rydberg Subject: Re: Questions about Multi-touch Protocal Date: Tue, 05 Jan 2010 13:55:59 +0100 Message-ID: <4B4336DF.4060704@euromail.se> References: <4B42D998.4050303@samsung.com> <4B432BDB.3000103@euromail.se> <1262695333.8529.8.camel@pancake> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from ch-smtp01.sth.basefarm.net ([80.76.149.212]:39206 "EHLO ch-smtp01.sth.basefarm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754084Ab0AEM5u (ORCPT ); Tue, 5 Jan 2010 07:57:50 -0500 In-Reply-To: <1262695333.8529.8.camel@pancake> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Florian Echtler Cc: Joonyoung Shim , linux-input@vger.kernel.org, dmitry.torokhov@gmail.com, jkosina@suse.cz Florian Echtler wrote: [..] > Very interesting writeup, thanks a lot. Is there any currently any > hardware which is available to end-users and does support these > features? AFAIR most capacitive touchscreens don't have high enough > resolution to actually detect, e.g., twisting. If there's a commercial > option, I'd like to hear about it.. The post-2008 MacBooks all have a touchpad (bcm5974) which is capable of detecting finger twisting. A patch to enable the MT protocol in the bcm5974 driver is on it's way into the 2.6.33 kernel.