From mboxrd@z Thu Jan 1 00:00:00 1970 From: Henrik Rydberg Subject: Re: [PATCH 0/3] Input: synaptics - multitouch and multifinger support Date: Mon, 11 Oct 2010 09:40:24 +0200 Message-ID: <4CB2BF68.80302@euromail.se> References: <1286549880-32580-1-git-send-email-chase.douglas@canonical.com> <4CB17019.7070002@euromail.se> <20101010205932.GB18455@core.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]:39374 "EHLO ch-smtp01.sth.basefarm.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752760Ab0JKHki (ORCPT ); Mon, 11 Oct 2010 03:40:38 -0400 In-Reply-To: Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Takashi Iwai Cc: Dmitry Torokhov , Chase Douglas , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org On 10/11/2010 09:28 AM, Takashi Iwai wrote: [...] > Right, but it's pretty hard to know whether it works really for all > machines, simply because the current MT-detection is nothing but a > pure guess work. As mentioned in another mail, there are devices that > have no this bit but reports multi-finger detections without > tracking. So, there are definitely other things to be checked. > > Thus, I'm inclined to add a module option, at least, for *disabling* > MT for non-working machines. Also, another question is whether it's > safe to enable MT even for user-space that don't understand MT. Yes, you can add MT support on top of the ST protocol of an existing driver. Henrik