I have the same device (Jabra Evolve 40) and can reproduce in Ubuntu
Gnome 16.04.
The bug seems to be that the mouse button 12 (aka BTN_7) remains pressed
whenever the headset jack is connected to the hub with the volume
buttons. If you disconnect the headset then a ButtonRelease appears and
regular mouse click behaviour is restored.
xev, connecting jack:
ButtonPress event, serial 36, synthetic NO, window 0x400001,
root 0x2e4, subw 0x0, time 186231, (162,86), root:(3309,349),
state 0x0, button 12, same_screen YES
Disconnecting jack from hub:
ButtonRelease event, serial 36, synthetic NO, window 0x400001,
root 0x2e4, subw 0x0, time 190327, (162,86), root:(3309,349),
state 0x0, button 12, same_screen YES
evtest reports plugging in event as:
Event: time 1526305450.981481, type 4 (EV_MSC), code 4 (MSC_SCAN), value
ff600002
Event: time 1526305450.981481, type 1 (EV_KEY), code 263 (BTN_7), value 1
Event: time 1526305450.981481, -------------- SYN_REPORT ------------
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1581626
Title:
Switching to USB sound device stops USB mouse clicks from registering
To manage notifications about this bug go to:
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