Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755729AbZGOR0p (ORCPT ); Wed, 15 Jul 2009 13:26:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755680AbZGOR0o (ORCPT ); Wed, 15 Jul 2009 13:26:44 -0400 Received: from qw-out-2122.google.com ([74.125.92.27]:38129 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755199AbZGOR0n convert rfc822-to-8bit (ORCPT ); Wed, 15 Jul 2009 13:26:43 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=R2SgOpHFSRA24SRmTBppUKVRWuiTX/L4xOfJ+Ukig7J9GyASptmqyl4VslUE+KCWZJ ZhtqWtxsHWNqAYAGYDIJVkxZYLztTJcTqHt4PUA/YUjMhAolZY3S138qnqRBE+h73EUU m7i0r3YNccg9eXZKyOkmBWPgxp7/nbKmM3IF0= MIME-Version: 1.0 In-Reply-To: References: <20090714100634.GA4054@elf.ucw.cz> <20090714175201.GB14661@dtor-d630.eng.vmware.com> <20090715134855.GB2538@elf.ucw.cz> <20090715152702.GB21611@dtor-d630.eng.vmware.com> Date: Wed, 15 Jul 2009 22:56:42 +0530 Message-ID: <5d5443650907151026y670087fesa3022e37f68e2d8@mail.gmail.com> Subject: Re: Support for synaptic touchscreen in HTC dream From: Trilok Soni To: Brian Swetland Cc: Dmitry Torokhov , Pavel Machek , "Arve Hj?nnev?g" , kernel list , linux-input@vger.kernel.org, Andrew Morton Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1553 Lines: 41 Hi Brian, On Wed, Jul 15, 2009 at 9:03 PM, Brian Swetland wrote: > On Wed, Jul 15, 2009 at 8:27 AM, Dmitry > Torokhov wrote: >> On Wed, Jul 15, 2009 at 03:48:55PM +0200, Pavel Machek wrote: >>> On Tue 2009-07-14 10:52:12, Dmitry Torokhov wrote: >>> > >>> > ABS_HAT is pretty unusual for a touchscreen... >>> >>> It is trying to do something useful for multitouch. People actually >>> use multitouch on HTC dream. I guess I can strip it from version being >>> merged... >> >> What about converting it to emit ABS_MT_* events added specifically >> for the multitouch protocol? > > I believe at the time the driver was written, those events did not > exist. ?If the input framework has more appropriate events for the > "2nd finger" (which is how synaptics represents MT on this panel), we > should definitely switch to them. > Yes, MT events were added recently and they are working. Please check this demo based on MT events. http://www.linuxfordevices.com/c/a/News/Linux-multitouch-technology-demod/ Also, please confirm if polling mode is really used in some h/w configuration, if not as said by Dmitry, we can remove it and do clean integration with threaded irq. -- ---Trilok Soni http://triloksoni.wordpress.com http://www.linkedin.com/in/triloksoni -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/