Re: [PATCH] udev: generalize the check in touchscreen rule

[Paul Eggleton <paul.eggleton@linux.intel.com>]

On Wednesday 11 April 2012 15:09:10 Andrea Adami wrote:
> On Wed, Apr 11, 2012 at 2:55 PM, Paul Eggleton
> <paul.eggleton@linux.intel.com> wrote:
> > On Wednesday 11 April 2012 13:57:29 Andrea Adami wrote:
> >> Finally, bluelightning reported that on ipaq h1940 the rule did not
> >> match and added a .bbappend in meta-handheld.
> > 
> > FYI this is because pressure support was removed from the driver. I don't
> > know if there's ever hope of it coming back.
> 
> Well, there was a NACKed patch:
> 
> https://lkml.org/lkml/2011/6/23/817
> 
> Mark Brown:
> "It seems much more sane to fix this in tslib, the kernel is not actually
> reporting pressure meaningfully here and there's already BTN_TOUCH to
> report if the pen is down."

Interesting. FWIW, I can report that with a patch to the rule such as this one 
at least on h1940 the touchscreen works fine, and there was no need to 
additionally fix anything in tslib.

Cheers,
Paul

-- 

Paul Eggleton
Intel Open Source Technology Centre