[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

Peter Hutterer <peter.hutterer at who-t.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |peter.hutterer at who-t.net
         Resolution|---                         |NOTOURBUG

--- Comment #1 from Peter Hutterer <peter.hutterer at who-t.net> ---
nope, this is a problem with the hardware/firmware of the touchpad. If you look
a the evemu record output you attached, there is exactly one event with x/y
updates after the initial touch (at E: 0.000001). The rest is 8 seconds of
pressure and touch size updates without any changes in the x/y position. So
this isn't libinput's fault, we cannot move the cursor when we don't get
position updates from the kernel.

I notice you're using SMBus/RMI4 for the touchpad. Try booting with PS/2
instead in case that makes a difference. On the grub command line, add
psmouse.synaptics_intertouch=0. That gives you a SynPS/2 Synaptics Touchpad
device instead of "Synaptics TM3289-021" but otherwise it should more-or-less
be the same.

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