Found a solution for me, add the follwing in /etc/X11/xorg.conf
[...]
Section "InputClass"
Identifier "Plantronics"
MatchProduct "Plantronics"
Option "Ignore" "true"
EndSection
[...]Headset (Audio) and volume buttons work fine. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
