https://bugs.freedesktop.org/show_bug.cgi?id=104828

--- Comment #9 from Hi-Angel <[email protected]> ---
(In reply to Peter Hutterer from comment #6)
> no the touchpad is just terrible. it wobbles along for ages, then has one
> event frame that is delayed by enough to turn off the hysteresis. Looks like
> we need something smarter than our current approach.

How about reversing the approach: basically, waiting for some strokes, and if
wobbling is detected, assume touchpad needs hysteresis. Otherwise disable it.

I can imagine some modifications of this approach: for example, wait not a
stroke, but until a person just keeps the finger still on the touchpad (e.g.
tries to focus something), and then check if we see wobbling. Or, to exclude
broken a broken touchpad missing a frame, use a bit more alike patterns, and
see if at least one of them does wobble.

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