[Wayland-bugs] [Bug 73442] New: Touch device not mapped to hotplugged output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73442

          Priority: medium
            Bug ID: 73442
          Assignee: wayland-bugs at lists.freedesktop.org
           Summary: Touch device not mapped to hotplugged output
          Severity: minor
    Classification: Unclassified
                OS: All
          Reporter: ullysses.a.eoff at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: weston
           Product: Wayland

When a touch device is discovered by Weston and contains a ENV{WL_OUTPUT} udev
rule, it does not map to the specified output if it does not exist.  This is
expected.  However, if that specified output is later hotplugged then that
output does not get mapped to the previously discovered touch device... unless
you replug-in the touch device.

1. Map touch device to ENV{WL_OUTPUT}="VGA1" in udev rules.
2. Plug in touch device.
3. Unplug VGA1
4. Launch Weston
5. Plug in VGA1
6. Observe touch device is not mapped to VGA1
7. Unplug touch device
8. Plug in touch device
9. Observe touch device is mapped to VGA1

It is expected that a hotplugged output will be mapped to the touch device when
the touch device is already discovered and contains a map rule for that output.

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