Re: Trackpoint on Thinkpad X1 Carbon (5th gen)

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Tue, May 23, 2017 at 11:12 AM, Damjan Georgievski <gdamjan@gmail.com> wrote:
> On 19 May 2017 at 22:12, Damjan Georgievski <gdamjan@gmail.com> wrote:
>> Hi all,
>> the trackpoint on the  Thinkpad X1 Carbon (5th gen) (model 20HQ) is
>> recognised as:
>> "ImPS/2 Generic Wheel Mouse" while typically it should be "TPPS/2 IBM
>> TrackPoint".
>
> the following patch[1] adds the X1 Carbon gen 5 to work with the
> rmi4_smbus support, there are some issues though:
> - the touchpad _seems_ to be working a bit better (at least that's
> what I feel like)
> - the trackpoint moves too fast
> - middle click scrolling is not enabled and can't be set with xinput
>
> Can I do someting to improve/test the trackpoint issues, before
> submiting this for merging?
>
> ps.
> also, when this is aplied the touchpad and trackpoint are recognized as
>> ⎜   ↳ AlpsPS/2 ALPS DualPoint Stick             id=12   [slave  pointer  (2)]
>> ⎜   ↳ AlpsPS/2 ALPS DualPoint TouchPad          id=14   [slave  pointer  (2)]

This is surprising that device on F03 pass-through port managed to
respond to ALPS queries...

Masaki, is there a chance to make ALPS detection more robust here as I
do not believe we are dealing with ALPS device here.

>
>
> [1]
> https://gist.github.com/gdamjan/511eb192a46b2226474e855ec0aa7365
>
>
>
>> Conversely, the middle button is not configured to emulate a mouse
>> wheel for scrolling, so I need to enable it explicitly with:
>> xinput set-prop "ImPS/2 Generic Wheel Mouse" "libinput Scroll Method
>> Enabled" 0 0 1
>>
>>
>> I'm not sure what information to provide about the device. the kernel
>> seems to find it as:
>> [    0.690665] pnp 00:06: Plug and Play ACPI device, IDs LEN0072
>> PNP0f13 (active)
>>
>>
>>
>> Additionally,
>> if I load the `psmouse` module with synaptics_intertouch=1 option I get:
>> $ xinput list
>> ⎜   ↳ Synaptics TM3289-002                      id=11   [slave  pointer  (2)]
>> ⎜   ↳ AlpsPS/2 ALPS DualPoint Stick             id=12   [slave  pointer  (2)]
>> ⎜   ↳ AlpsPS/2 ALPS DualPoint TouchPad          id=14   [slave  pointer  (2)]
>>
>> and kernel log:
>> [ 3244.067726] psmouse serio1: synaptics: queried max coordinates: x
>> [..5676], y [..4760]
>> [ 3244.099572] psmouse serio1: synaptics: queried min coordinates: x
>> [1266..], y [1094..]
>> [ 3244.099577] psmouse serio1: synaptics: Trying to set up SMBus access
>> [ 3244.113905] rmi4_smbus 0-002c: registering SMbus-connected sensor
>> [ 3244.173149] rmi4_f01 rmi4-00.fn01: found RMI device, manufacturer:
>> Synaptics, product: TM3289-002, fw id: 2492434
>> [ 3244.244186] input: Synaptics TM3289-002 as /devices/rmi4-00/input/input104
>> [ 3246.073366] input: AlpsPS/2 ALPS DualPoint Stick as
>> /devices/rmi4-00/rmi4-00.fn03/serio4/input/input107
>> [ 3246.139663] input: AlpsPS/2 ALPS DualPoint TouchPad as
>> /devices/rmi4-00/rmi4-00.fn03/serio4/input/input106
>>
>> but in that case the trackpoint is too sensitive and middle click
>> scrolling still doesn't work
>
>
>
>
> --
> damjan
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Thanks.

-- 
Dmitry