evdev always returns fixed XY values

Peter Hutterer peter.hutterer at who-t.net
Thu May 21 19:03:09 PDT 2015


On Thu, May 21, 2015 at 04:37:13PM +0200, Marco Cavallini wrote:
> Hello,
> I am working on an ARM board
> I can see touchscreen events from /dev/input/touchscreen0
> 
> I have some problems to understand the different touchscreen results between
> ts_* and evdev
> For example ts_calibrate works, but xinput_calibrator not because the second
> touch have the same XY
> 
> I noticed that using evdev I always have fixed XY values, for example
> calling "xinput test"
> 
> Am I misconfiguring anything?

I take it touchscreen0 is a symlink to some eventX device, so they speak the
same protocol?

what does evtest or evemu-record say about the output?

Cheers,
   Peter



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