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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Feb 14 23:30:24 UTC 2017


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

--- Comment #14 from giuseppemargarita at gmail.com ---
(In reply to Peter Hutterer from comment #13)
> (In reply to giuseppemargarita from comment #12)
> 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.
So? Was I right or that's really something wrong? 
I'm with smartphone now, but I remember that short movements were usually with
0.3, sometimes with 0.2. Long movements usually with 0.4.
I could try again tomorrow.

Anyway as time passing by I'm getting used to libinput behavior and pointer
movement is not very problematic to me. 

> > 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?
I didn't remember how far they were. Maybe I should delete these rules and
reload default ones, then rerun touchpad edge detector. 
And, sorry for my ignorance, I don't know what you mean for setting the
resolution. 
I'll do it tomorrow.

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