[synaptics] Require minimal finger move for moving cursor

[kaycee gb]

Le Fri, 12 Apr 2024 10:57:13 -0400 (EDT),
Vladimir Dergachev <volodya at mindspring.com> a écrit :

> On Fri, 12 Apr 2024, kaycee gb wrote:
> 
> > Hi,
> >
> > I have a "crappy" touchpad on my dell laptop that drives me crazy. I am
> > unable to fix the sensitivity/jump problems when clicking. I tried different
> > things. Sometimes it seems to help/make the jumps less present but not
> > really for a long time.  
> 
> Dell touchpads are usually pretty good.

I had one vostro 1510 and one 1520 in the past, there was not so much troubles. 
Recently I tried a vostro 3300 and now this 3350, just can't make then work
correctly.
> 
> I suggest to check which touchpad driver is being used, there might be 
> some useful messages in dmesg or /var/log/Xorg.0.log.

It is synaptics driver. 1.8.3 (last version I can have from packages) and more
recent versions tried too, same effect.
> 
> Another possibility is that the battery went bad, is buldging and pushing 
> on the touchpad.

I don't see how the battery can interfer with the touchpad. The battery is near
the screen, above the keyboard, and touchpad is below. 
> 
> best
> 
> Vladimir Dergachev
> 
> >
> > Thinking about that, I wonder how it would be possible to require a minimal
> > finger motion before the cursor can move ? Is it doable ? Coding needed ?
> >
> > Thanks in advance,
> > K.
> >