[Wayland-bugs] [Bug 70253] Touch points are not mapped to the correct output in multi-display setup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70253

U. Artie Eoff <ullysses.a.eoff at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from U. Artie Eoff <ullysses.a.eoff at intel.com> ---
(In reply to comment #2)
> I asked krh about this yesterday, there is a way to use the udev rules to
> specify which touch device is mapped to which display - it's a udev
> environment variable "WL_OUTPUT".
> 
> So like so for two touch monitors:
> ENV{ID_VENDOR_ID}=="0XXX",ENV{ID_MODEL_ID}=="XXXX",ENV{WL_CALIBRATION}="-1.
> 0935\
> 84 -0.022783 1514.135864 0.011188 1.339519
> -115.937012",ENV{WL_OUTPUT}+="HDMI3"
> 
> If the touch device is has the previous VENDOR_ID and MODEL_ID and is
> plugged into display HDMI3.
> 
> Is this written down somewhere? To remember the variable to use I had to
> grep the source code...

Yes, this makes sense... could you test that the udev rule works as intended so
we can close this as NOTABUG.

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