From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: Synaptics Multi touch capabilities Date: Sun, 27 Dec 2009 15:13:26 -0800 Message-ID: References: <62e5edd40912230313r65593b0cmea9541ea7a246cfc@mail.gmail.com> <200912231032.32526.dmitry.torokhov@gmail.com> <62e5edd40912240254w19b0b6c6ye43e2805055bb0e5@mail.gmail.com> <20091225065642.GA19401@core.coreip.homeip.net> <62e5edd40912250354j55a1bbe0pcd151c106b6bdcdb@mail.gmail.com> <20091227101331.GE14655@core.coreip.homeip.net> <62e5edd40912270843y30cb74d0ida01bfa4b98b05cb@mail.gmail.com> Mime-Version: 1.0 (iPhone Mail 7C144) Content-Type: text/plain; charset=utf-8; format=flowed delsp=yes Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-pz0-f171.google.com ([209.85.222.171]:53445 "EHLO mail-pz0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751176AbZL0XNo convert rfc822-to-8bit (ORCPT ); Sun, 27 Dec 2009 18:13:44 -0500 Received: by pzk1 with SMTP id 1so2545419pzk.33 for ; Sun, 27 Dec 2009 15:13:43 -0800 (PST) In-Reply-To: <62e5edd40912270843y30cb74d0ida01bfa4b98b05cb@mail.gmail.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: =?utf-8?Q?Erik_Andr=C3=A9n?= Cc: "linux-input@vger.kernel.org" On Dec 27, 2009, at 8:43 AM, Erik Andr=C3=A9n w= rote: > 2009/12/27 Dmitry Torokhov : >> On Fri, Dec 25, 2009 at 12:54:16PM +0100, Erik Andr=C3=A9n wrote: >>> 2009/12/25 Dmitry Torokhov : >>>> On Thu, Dec 24, 2009 at 11:54:27AM +0100, Erik Andr=C3=A9n wrote: >>>>> 2009/12/23 Dmitry Torokhov : >>>>>> On Wednesday 23 December 2009 03:13:04 am Erik Andr=C3=A9n wrote= : >>>>>>> Hi, >>>>>>> I have a ASUS 1005HA netbook equipped with a Synaptics touch =20 >>>>>>> pad: >>>>>>> [ 18.341491] Synaptics Touchpad, model: 1, fw: 7.2, id: =20 >>>>>>> 0x1a0b1, >>>>>>> caps: 0xd04731/0xa40000 >>>>>>> >>>>>>> In Linux, no multitouch capabilities are detected (Zoom, two =20 >>>>>>> and three >>>>>>> finger button presses etc.). >>>>>>> This all works with the same hardware in windows 7. >>>>>>> Is there a bug in the linux driver preventing multitouch to =20 >>>>>>> work? >>>>>>> >>>>>> >>>>>> Linux Synaptics driver does not have full multitouch support =20 >>>>>> (yet?). The 2- >>>>>> and 3- finger taps should work (provided that they are enabled =20 >>>>>> in SYnaptics X >>>>>> driver) but there is no multiple finger tracking... >>>>> They don't. I've tried with the 1.1.2 and 1.2.0 version of the =20 >>>>> xorg >>>>> synaptics driver. But if this is the issue I guess I should take = =20 >>>>> this >>>>> inquiry to the proper xorg mailing list. >>>> >>>> Not yet, kernel needs to add support for this as well. >>>> >>>>> >>>>>> >>>>>> BTW, the capability 0xd04731 indicates that your hardware does =20 >>>>>> not report >>>>>> multi-finger taps. >>>>>> >>>>> I'm aware of that, but why does pinch and zoom then work in =20 >>>>> windows 7? >>>>> Is it possible to emulate this with a single touch touchpad? >>>>> >>>> >>>> I think your touchpad is a fully multi-finger one, not just multi-= =20 >>>> finger >>>> tapping like older touchpads. Only multi-finger tapping is =20 >>>> currently >>>> supported by Synaptcs X driver. >>>> >>> Could you elaborate on what a multi-finger touchpad is? >> >> Multi-finger touchpad (or touchscreen) is a device that can recogniz= e >> several objects touching the surface of the device and report =20 >> separate >> sets of coordinates (and maybe more data) for every object. >> >>> The Synaptics PS/2 Touchpad Interface Guide, 3.2.6 states that two = =20 >>> and >>> three fingers are only detected when the capMultiFinger capability = =20 >>> is >>> detected which according to the driver isn't detected for this >>> touchpad. >>> >> >> Apparently this guide is a bit obsolete. >> > > I've downloaded the document from the synaptics website and it has a > 2009 copyright which means its fairly recent. As witnessed by the presence of ClickPads that are not documented =20 there it is not complete. > Are you sure there are any other documentation? If so, do you have an= y > access to it? Or is this some kind of proprietary interface? > No, I do not. --=20 Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html