[Wayland-bugs] [Bug 105963] Lenovo P50 - Slow fine touchpad movement makes it jump (bug 2)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105963

--- Comment #8 from Tim Richardson <tim at tim-richardson.net> ---
the best of fixing this will be different acceleration behaviour, to mimic
windows. I can't get smooth movement any other way, I think. 
when I do 

 xinput --set-prop "$DEVICE" "libinput Accel Speed"  -.9

I get very slow pointer movement, as expected .But I can't see where in
libinput this setting influences behaviour. 
printf diagnostics in 
touchpad_accel_profile_linear
don't seem to show any change between a setting of -0.9 and 0 although the
pointer behaviour is really different.

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