T480s Trackpoint drifts

[Kai Hendry]

Well I never installed gnome/kde to begin with.

On Thu, 22 Mar 2018, at 11:24 AM, Peter Hutterer wrote:
> don't get me wrong but - if you're capable of removing gnome/kde for
> whatever reasons, you're capable of figuring out xinput. there are plenty of
> guides on google, some of which are even accurate.

The thing that puzzles me here is:

[hendry at t480s ~]$ xinput --list-props 11
Device 'ETPS/2 Elantech TrackPoint':
        Device Enabled (140):   1
        Coordinate Transformation Matrix (142): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        libinput Natural Scrolling Enabled (275):       0
        libinput Natural Scrolling Enabled Default (276):       0
        libinput Left Handed Enabled (277):     0
        libinput Left Handed Enabled Default (278):     0
        libinput Accel Speed (279):     0.000000
        libinput Accel Speed Default (280):     0.000000
        libinput Accel Profiles Available (281):        1, 1
        libinput Accel Profile Enabled (282):   1, 0
        libinput Accel Profile Enabled Default (283):   1, 0
        libinput Scroll Methods Available (284):        0, 0, 1
        libinput Scroll Method Enabled (285):   0, 0, 1
        libinput Scroll Method Enabled Default (286):   0, 0, 1
        libinput Button Scrolling Button (287): 2
        libinput Button Scrolling Button Default (288): 2
        libinput Middle Emulation Enabled (289):        0
        libinput Middle Emulation Enabled Default (290):        0
        libinput Send Events Modes Available (260):     1, 0
        libinput Send Events Mode Enabled (261):        0, 0
        libinput Send Events Mode Enabled Default (262):        0, 0
        Device Node (263):      "/dev/input/event7"
        Device Product ID (264):        2, 14
        libinput Drag Lock Buttons (291):       <no items>
        libinput Horizontal Scroll Enabled (292):       1
[hendry at t480s ~]$ uname -a
Linux t480s 4.15.9-1-ARCH #1 SMP PREEMPT Sun Mar 11 17:54:33 UTC 2018 x86_64 GNU/Linux

For example IIUC the  Accel Speed is already zero. So what on earth do I change it to?