[PATCH libinput 3/3] udev: Decrease high pressure value for Elantech touchpads

[Peter Hutterer]

On Mon, Apr 24, 2017 at 03:43:56PM +0200, Paul Kocialkowski wrote:
> Le lundi 24 avril 2017 à 16:22 +1000, Peter Hutterer a écrit :
> > On Fri, Apr 21, 2017 at 01:31:58PM +0200, Paul Kocialkowski wrote:
> > > The high pressure value for Elantech touchpads (both PS/2 and I2C) is
> > > not adapted to various devices, on which the touchpad is barely usable.
> > > 
> > > Decreasing the high value makes those devices usable again, while not
> > > introducing any major drawback for other devices.
> > 
> > that's not quite true, is it? Bug 99975 which is the source for the 24/10
> > (yes, I had a copy/paste in the pressure patch, this should be 24:10, not
> > 24:8, I've fixed this locally) had the user specifically set this. Anything
> > lower is likely to introduce ghost touches again. I'm ok to reduce this to
> > 10:8 generically (synaptics used 1:1) but this should be added with a
> > hw-specific setting for that machine in bug 99975.
> 
> That's a good point! However, I think we should make 10:8 the default and 24:10
> specific to this case, because ghost touch seems less problematic than not being
> able to use the touchpad at all.

yep, that's what I had intended, thanks.

> If that's okay, I'll ask for a dmi id string to use on the bug report and do
> things this way.

evemu adds the dmi modalias to the logs so in most cases it's already there
(this one included).

Cheers,
   Peter