[Wayland-bugs] [Bug 91369] Libinput 0.19 and 0.20 ignore POINTINGSTICK_CONST_ACCEL

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91369

--- Comment #59 from jonas at thiem.email <jonas at thiem.email> ---
I just compiled libinput with the latest trackpoint-accel-v2 and it is a
tremendous improvement!

I use it with this hwdb entry right now and maxed out mouse speed in GNOME:


evdev:name:* Elantech
TrackPoint:dmi:bvn*:bvr*:bd*:svnLENOVO:pn*:pvrThinkPadYoga260:*
 LIBINPUT_ATTR_TRACKPOINT_RANGE=20


.. and now it actually feels fast! One thing is still a bit suboptimal though:
the acceleration ramps up a bit too slowly - it feels like I need to apply too
much force to get to the decent speeds. Once I use more force though, it is
extremely fast now, and feels much more like the "maximum barely usable speed"
setting that it should be.

Is there any setting in the hwdb I can tweak to make it use quicker speeds for
the middle value range of the reported raw input speed, while keeping the same
actual speed for the low and high value range of the reported raw input speed?

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