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

[Paul Kocialkowski]

Le mardi 25 avril 2017 à 10:33 +1000, Peter Hutterer a écrit :
> 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).

Good, I'll use that information in v2 then.

Thanks,

-- 
Paul Kocialkowski, developer of free digital technology and hardware support

Website: https://www.paulk.fr/
Coding blog: https://code.paulk.fr/
Git repositories: https://git.paulk.fr/ https://git.code.paulk.fr/
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