From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932534AbcFCL5v (ORCPT ); Fri, 3 Jun 2016 07:57:51 -0400 Received: from mga01.intel.com ([192.55.52.88]:36090 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752554AbcFCL5u (ORCPT ); Fri, 3 Jun 2016 07:57:50 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,411,1459839600"; d="scan'208";a="115453355" Message-ID: <1464955145.1767.44.camel@linux.intel.com> Subject: Re: [PATCH 2/2] HID: multitouch: enable the Surface 3 Type Cover to report multitouch data From: Andy Shevchenko To: Benjamin Tissoires Cc: Jiri Kosina , Bastien Nocera , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Date: Fri, 03 Jun 2016 14:59:05 +0300 In-Reply-To: <20160603093855.GC6063@mail.corp.redhat.com> References: <1463062363-12405-2-git-send-email-benjamin.tissoires@redhat.com> <1463149818.17131.349.camel@linux.intel.com> <20160513144927.GZ23234@mail.corp.redhat.com> <1463155787.17131.351.camel@linux.intel.com> <1463156908.17131.353.camel@linux.intel.com> <20160520075835.GJ23234@mail.corp.redhat.com> <20160531160741.GX23234@mail.corp.redhat.com> <1464717399.1767.1.camel@linux.intel.com> <20160602141127.GZ23234@mail.corp.redhat.com> <1464878415.1767.27.camel@linux.intel.com> <20160603093855.GC6063@mail.corp.redhat.com> Organization: Intel Finland Oy Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.20.2-2 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2016-06-03 at 11:38 +0200, Benjamin Tissoires wrote: > On Jun 02 2016 or thereabouts, Andy Shevchenko wrote: > > On Thu, 2016-06-02 at 16:11 +0200, Benjamin Tissoires wrote: > > > > > > >   > > > On May 31 2016 or thereabouts, Andy Shevchenko wrote: > > > > On Tue, 2016-05-31 at 18:07 +0200, Benjamin Tissoires wrote: > > > > > On May 20 2016 or thereabouts, Benjamin Tissoires wrote: > > > > > > On May 13 2016 or thereabouts, Andy Shevchenko wrote: > > > > > > Would you mind sending me a hid-recorder[1] trace of the > > > > > > device > > > > > > while > > > > > > typing few keys and using the touchpad? > > > > >   > > > > > OK, so it looks like your touchpad stays in the mouse emulation > > > mode > > > for > > > some reasons. Did you do the recordings with hid-multitouch > > > patched, > > > or > > > with plain hid-generic or an other one? > > > > I take linux-next + your two patches from this thread (+ some > > unrelated > > to HID patches). > > OK. I think I know what happened: > - Microsoft forgot to put the Win 8 certification blob in this >   particular device (of course, because Microsoft) > - we do not detect it as a Win 8 certified and do not set the >   HID_QUIRK_NO_INIT_REPORTS flag > - your dmesg should show some error on plug, and then hid can't set > the >   input mode > - I can't add a "if win 8 then show the mouse collection" because your >   device doesn't report itself as win 8 :) > > Anyway, could you try applying this small diff after my 2 patches and > report if you now have a working touchpad?: Nope. There is still no /dev/input/eventX associated with touchpad. > > diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid- > multitouch.c > index ac35731..e51a753 100644 > --- a/drivers/hid/hid-multitouch.c > +++ b/drivers/hid/hid-multitouch.c > @@ -1379,6 +1379,10 @@ static const struct hid_device_id mt_devices[] > = { >                 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, >                         USB_DEVICE_ID_ILITEK_MULTITOUCH) }, >   > +       /* Microsoft */ > +       { .driver_data = MT_CLS_WIN_8, > +               MT_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, 0x07cd) }, > + -- Andy Shevchenko Intel Finland Oy