From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: "Pali Rohár" <pali.rohar@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Initialization of TPPS/2 IBM TrackPoint in too slow
Date: Fri, 31 Jul 2015 10:08:49 -0700 [thread overview]
Message-ID: <20150731170849.GG5613@dtor-ws> (raw)
In-Reply-To: <201507311859.22045@pali>
On Fri, Jul 31, 2015 at 06:59:21PM +0200, Pali Rohár wrote:
> Hello,
>
> here is output from dmesg for psmouse.ko
>
> [ 266.378751] psmouse: calling psmouse_init()
> [ 267.167150] psmouse serio1: synaptics: queried max coordinates: x [..5676], y [..4758]
> [ 267.198416] psmouse serio1: synaptics: queried min coordinates: x [1266..], y [1096..]
> [ 267.260402] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xf002a3/0x943300/0x12e800, board
> id: 3072, fw id: 2560
> [ 267.260418] psmouse serio1: synaptics: serio: Synaptics pass-through port at isa0060/serio1/input0
> [ 267.299629] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input39
> [ 268.697333] psmouse serio4: cypress_ps2: send extension cmd 0x00, [0 0 0 0]
> [ 269.259351] psmouse serio4: cypress_ps2: Command 0x00 response data (0x): 00 00 14
> [ 269.562762] psmouse serio4: alps: E6 report: 00 00 64
> [ 269.825915] psmouse serio4: alps: E7 report: 10 00 64
> [ 270.086671] psmouse serio4: alps: EC report: 10 00 64
> [ 270.125866] psmouse serio4: alps: Likely not an ALPS touchpad: E7=10 00 64, EC=10 00 64
> [ 270.388147] psmouse serio4: elantech: unexpected magic knock result 0x00, 0x02, 0x64.
> [ 271.390241] psmouse serio4: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
> [ 271.586156] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio4/input/input40
>
> As you can see it takes about 5 seconds to initialize TrackPoint input
> device. And about 3 seconds from stage after synaptics export serio
> device. I think this is just because of trying to detect device type.
> Is there any way how to speed it up? Maybe for synaptics serio devices
> try to probe for TPPS/2 at first?
Did you abandon your trusty Dell with ALPS? ;)
Yes, I think we should limit the number of protocols that we probe on
pass-through port to standard PS/2 flavors + TPPS/2 since I have never
seen anything else there.
Thanks.
--
Dmitry
next prev parent reply other threads:[~2015-07-31 17:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-31 16:59 Initialization of TPPS/2 IBM TrackPoint in too slow Pali Rohár
2015-07-31 17:08 ` Dmitry Torokhov [this message]
2015-07-31 17:17 ` Pali Rohár
2015-07-31 17:30 ` Dmitry Torokhov
2015-07-31 17:30 ` Dmitry Torokhov
2015-07-31 18:11 ` Pali Rohár
2015-08-21 8:13 ` Pali Rohár
2015-08-21 8:13 ` Pali Rohár
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