[root@Sailfish /]# evdev_trace -i event7
----====( /dev/input/event7 )====----
Name: "msm8976-tashalite-snd-card Headset Jack"
ID: bus 0x0, vendor, 0x0, product 0x0, version 0x0
Type 0x00 (EV_SYN)
Type 0x05 (EV_SW)
     SW_HEADPHONE_INSERT SW_MICROPHONE_INSERT SW_LINEOUT_INSERT
     SW_JACK_PHYSICAL_INSERT SW_HPHL_OVERCURRENT SW_HPHR_OVERCURRENT
     SW_UNSUPPORT_INSERT SW_MICROPHONE2_INSERT

[root@Sailfish /]# evdev_trace -i event7
----====( /dev/input/event7 )====----
Name: "msm8976-tashalite-snd-card Headset Jack"
ID: bus 0x0, vendor, 0x0, product 0x0, version 0x0
Type 0x00 (EV_SYN)
Type 0x05 (EV_SW)
     SW_HEADPHONE_INSERT* SW_MICROPHONE_INSERT SW_LINEOUT_INSERT
     SW_JACK_PHYSICAL_INSERT* SW_HPHL_OVERCURRENT SW_HPHR_OVERCURRENT
     SW_UNSUPPORT_INSERT SW_MICROPHONE2_INSERT