[Wayland-bugs] [Bug 106204] Trackpad not precise on X1 carbon 6th gen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106204

--- Comment #16 from scott.guo at outlook.com ---
The output of `touchpad-edge-detector` is :

Touchpad Synaptics TM3289-021 on /dev/input/event15
Move one finger around the touchpad to detect the actual edges
Kernel says:    x [0..1936], y [0..1057]
Touchpad sends: x [0..1936], y [0..1057] -^C\-

Touchpad size as listed by the kernel: 96x52mm
User-specified touchpad size: 100x58mm
Calculated ranges: 1936/1057

Suggested udev rule:
# <Laptop model description goes here>
evdev:name:Synaptics
TM3289-021:dmi:bvnLENOVO:bvrN23ET37W(1.12):bd02/27/2018:svnLENOVO:pn20KHCTO1WW:pvrThinkPadX1Carbon6th:rvnLENOVO:rn20KHCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:*

I think the palm detection deadzone makes sense.

Is there a way to determined whether the software hysteresis is off or not?

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