From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: Lenovo T60 and X60: psmouse serio1: alps: Unknown ALPS touchpad: E7=10 00 64, EC=10 00 64 Date: Mon, 25 Aug 2014 11:23:32 -0700 Message-ID: <20140825182332.GB35881@core.coreip.homeip.net> References: <1408788987.2724.25.camel@mattotaupa> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-pd0-f173.google.com ([209.85.192.173]:35507 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755086AbaHYSXg (ORCPT ); Mon, 25 Aug 2014 14:23:36 -0400 Received: by mail-pd0-f173.google.com with SMTP id w10so20814681pde.32 for ; Mon, 25 Aug 2014 11:23:36 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1408788987.2724.25.camel@mattotaupa> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Paul Menzel Cc: linux-input@vger.kernel.org, Yunkang Tang On Sat, Aug 23, 2014 at 12:16:27PM +0200, Paul Menzel wrote: > Dear Linux developers, >=20 >=20 > with at least Linux 3.12, 3.13 and 3.14 the Linux kernel log contains= a > message about an unknown ALPS touchpad. >=20 > [=E2=80=A6] > [ 8.793232] psmouse serio1: alps: Unknown ALPS touchpad: E7=3D10 0= 0 64, EC=3D10 00 64 > [ 9.068102] Console: switching to colour frame buffer device 128x4= 8 > [ 9.072053] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device > [ 9.072056] i915 0000:00:02.0: registered panic notifier > [ 9.072075] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0= on minor 0 > [ 9.073703] hda_intel: probe_mask set to 0x1 for device 17aa:2010 > [ 9.074158] snd_hda_intel 0000:00:1b.0: irq 47 for MSI/MSI-X > [ 9.104435] input: HDA Digital PCBeep as /devices/pci0000:00/0000:= 00:1b.0/input/input8 > [ 9.107546] input: HDA Intel Front Headphone as /devices/pci0000:0= 0/0000:00:1b.0/sound/card0/input13 > [ 9.107678] input: HDA Intel Line Out as /devices/pci0000:00/0000:= 00:1b.0/sound/card0/input12 > [ 9.107793] input: HDA Intel Line as /devices/pci0000:00/0000:00:1= b.0/sound/card0/input11 > [ 9.107909] input: HDA Intel Front Mic as /devices/pci0000:00/0000= :00:1b.0/sound/card0/input10 > [ 9.108044] input: HDA Intel Rear Mic as /devices/pci0000:00/0000:= 00:1b.0/sound/card0/input9 > [ 9.168843] psmouse serio1: trackpoint: IBM TrackPoint firmware: 0= x0e, buttons: 3/3 > [ 9.189695] input: TPPS/2 IBM TrackPoint as /devices/platform/i804= 2/serio1/input/input6 > [=E2=80=A6] >=20 > The Lenovo T60 actually has a touchpad, a trackpoint and three button= s, > where the Lenovo X60 only has a trackpoint and three buttons. >=20 > Searching the Web with this message, there are also hits for other > laptop models. >=20 > Looking at `drivers/input/mouse/alps.c` the values checked there for = E7 > and EC are not related at all. It=E2=80=99s also interesting that E7 = and EC > contain the same values. >=20 > Is that the trackpoint device detected later and should therefore be > ignored? Yes. I'll add a patch to suppress this message (or rather turn it to a debug message) as it confuses users. Thanks. --=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