----====( /dev/input/event8 )====----
Name: "gpio-keys"
ID: bus 0x19, vendor, 0x1, product 0x1, version 0x100
Type 0x00 (EV_SYN)
Type 0x01 (EV_KEY)
	 KEY_VOLUMEUP KEY_00fb KEY_00fc
Type 0x05 (EV_SW)
	 SW_LID

[root@Sailfish mce]# evdev_trace  -t /dev/input/event8
/dev/input/event8: 222.482 - 0x05/EV_SW - 0x000/SW_LID - 1
/dev/input/event8: 222.482 - 0x00/EV_SYN - 0x000/SYN_REPORT - 0


/dev/input/event8: 227.331 - 0x05/EV_SW - 0x000/SW_LID - 0
/dev/input/event8: 227.331 - 0x00/EV_SYN - 0x000/SYN_REPORT - 0


/dev/input/event8: 232.502 - 0x05/EV_SW - 0x000/SW_LID - 1
/dev/input/event8: 232.502 - 0x00/EV_SYN - 0x000/SYN_REPORT - 0


/dev/input/event8: 235.932 - 0x05/EV_SW - 0x000/SW_LID - 0
/dev/input/event8: 235.932 - 0x00/EV_SYN - 0x000/SYN_REPORT - 0