From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Paul Menzel <paulepanter@users.sourceforge.net>
Cc: linux-input@vger.kernel.org, Yunkang Tang <yunkang.tang@cn.alps.com>
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 [thread overview]
Message-ID: <20140825182332.GB35881@core.coreip.homeip.net> (raw)
In-Reply-To: <1408788987.2724.25.camel@mattotaupa>
On Sat, Aug 23, 2014 at 12:16:27PM +0200, Paul Menzel wrote:
> Dear Linux developers,
>
>
> with at least Linux 3.12, 3.13 and 3.14 the Linux kernel log contains a
> message about an unknown ALPS touchpad.
>
> […]
> [ 8.793232] psmouse serio1: alps: Unknown ALPS touchpad: E7=10 00 64, EC=10 00 64
> [ 9.068102] Console: switching to colour frame buffer device 128x48
> [ 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/pci0000:00/0000:00:1b.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/pci0000:00/0000:00:1b.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: 0x0e, buttons: 3/3
> [ 9.189695] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/input/input6
> […]
>
> The Lenovo T60 actually has a touchpad, a trackpoint and three buttons,
> where the Lenovo X60 only has a trackpoint and three buttons.
>
> Searching the Web with this message, there are also hits for other
> laptop models.
>
> Looking at `drivers/input/mouse/alps.c` the values checked there for E7
> and EC are not related at all. It’s also interesting that E7 and EC
> contain the same values.
>
> 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.
--
Dmitry
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prev parent reply other threads:[~2014-08-25 18:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-23 10:16 Lenovo T60 and X60: psmouse serio1: alps: Unknown ALPS touchpad: E7=10 00 64, EC=10 00 64 Paul Menzel
2014-08-25 18:23 ` Dmitry Torokhov [this message]
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