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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed May 10 12:08:16 UTC 2017


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

--- Comment #47 from Iiro Laiho <ilmaisin at openmailbox.org> ---
My laptop is a Dell Latitude E6320. It was in the filename but maybe I should
have been more clear. Defining that POINTINGSTICK_SENSITIVITY parameter on the
local HWDB does not have any noticeable effect. Also, I can't find any "speed"
or "sensitivity" virtual files in the /sys/devices/platform/i8042 hierarchy.

Yes, I am indeed currently running Ubuntu 16.04 LTS. My current configuration
involves the legcy Alps driver (that 16.04 has by default). I have got the
pointing stick behavior quite convenient by increasing the "Device Accel
Velocity Scaling" option. So I think the solution for libinput would be having
a more aggressive acceleration profile for either this pointing stick model or
for pointing sticks in general.

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