[Wayland-bugs] [Bug 98689] Thinkpad 13 trackpoint is very slow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98689

--- Comment #7 from Alex Corcoles <alex at corcoles.net> ---
Thanks,

> you can use the property names directly, not the numbers. that's a lot more portable across reboots. all the "* Default" and "* Available" properties are read-only, so you can't change them.

Ah, good to know.

> Changing the coordinate transformation matrix is intended for mainly device rotation, using it for acceleration is not recommended.

I guessed so- still it's quite workable as a temporary solution

> Run libinput-debug-events --verbose and see if the "Device '<device name>' set to const acel ..." shows up. If not, then the property isn't recognised correctly which would explain why it isn't working. 

It does print out:

Device 'ETPS/2 Elantech TrackPoint' set to const accel 2.00

> Also, please attach an evemu-record recording of the trackpoint as you try to push the cursor into the top-right corner with "normal pressure". [that's also the biggest issue we face with trackpoint acceleration, who knows what "normal pressure" is...]

Got it. Seems to oscillate (1..2, -1..-2).

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