[Wayland-bugs] [Bug 101433] occasional undesired scrolling from palm on touchpad

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101433

--- Comment #1 from Peter Hutterer <peter.hutterer at who-t.net> ---
sorry about the delay. quick grep with current libinput shows that *most*
touches are detected correctly as palm. There are two touches in this one that
trigger event sequence B as shown in the graphic here:
https://wayland.freedesktop.org/libinput/doc/latest/palm_detection.html
There are also a few that start outside of the palm detection zones so they
don't get detected as palms at all.

I think widening the palm areas is a good idea here but I'm not sure how far, a
quick test locally increasing it to 8% each side (which on yours would be ~8mm
each side) seems to do the trick for this recording. Might need to do a few
more measurements here though.

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