[Wayland-bugs] [Bug 99695] Can't manage acceleration profile on HP 255 G5 "SynPS/2 Synaptics TouchPad"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99695

--- Comment #13 from Peter Hutterer <peter.hutterer at who-t.net> ---
(In reply to giuseppemargarita from comment #12)
> I usually get avg factor 0.3. Sometimes 0.2 and other times 0.4.

that's weird. 0.3 is deceleration, 0.4 should be the factor for "map to
straight movement" and for all but very slow movements that should be the one
you see. Very strange that you see 0.3 or less here.

the edge behaviour is expected, that's palm detection kicking in.

> Ah, forget to mention, I have the following custom udev rules (got them from
> touchpad-edge-detector):
> # HP 255 G5
> evdev:name:SynPS/2 Synaptics
> TouchPad:dmi:bvnInsyde:bvrF.13:bd07/21/2016:svnHewlett-Packard:
> pnHP255G5NotebookPC:pvrType1ProductConfigId:rvnHewlett-Packard:rn81F5:rvr66.
> 26:cvnHewlett-Packard:ct10:cvrChassisVersion:*
>  EVDEV_ABS_00=1349:5629:40
>  EVDEV_ABS_01=1098:4718:86
>  EVDEV_ABS_35=1349:5629:40
>  EVDEV_ABS_36=1098:4718:86

If these are correct, they should be added to systemd's hwdb so other owners of
that device get to benefit too. How far out are min/max ranges, is it enough to
just set the resolution?

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