synaptics touchpad vertical motion faster than horizontal

Simon Thum simon.thum at
Sun Sep 28 13:29:26 PDT 2008

Tero Saarni wrote:
> I've disabled acceleration with xset m 1 1 and set both MinSpeed and
> MaxSpeed to 0.1.  The pointer moves the same distance vertically and
> horizontally but as the touchpad is twice as wide as it is tall I
> would have expected it to travel twice the distance horizontally.
Well, from what I can see it doesn't look like the synaptoics driver is 
  prepared for anisotropic device coordinates. Could be added I guess.

> This observation matches with the minimum and maximum coordinates
> returned by synclient -m which I believe aren't affected by
> acceleration anyway.
Right. Unfortunately nothing that will buy you a thing. I.e. if I 
haven't missed something, you've got to live with it/make a patch/file a 

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