Description of problem:
When I plugin the Plansonic usb headset  I am not longer able to click. The 
mouse moves the pointer correctly but neither left or right click works. Unpluging the headset returns to normal behaviour.

kernel 3.3.8-desktop-2.mga2 #1 SMP  x86_64

[nic@localhost ~]$ lsusb
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 047f:c008 Plantronics, Inc.
Bus 001 Device 003: ID 045e:0040 Microsoft Corp. Wheel Mouse Optical
Bus 002 Device 005: ID 046d:c31c Logitech, Inc. Keyboard K120 for Business
[nic@localhost ~]$


How reproducible:
everytime

Steps to Reproduce:
1.plugin headset
2.no mouse click.

Fix:
if I add the following section to /etc/X11/xorg.conf

Section "Input Class"
         Identifier "headset"
         MatchUSBID "047f:c008"
         Option "Ignore" "on"
EndSection.
then all is OK