#value_indexed
REL_X		0x00
REL_Y		0x01
REL_Z		0x02
REL_RX		0x03
REL_RY		0x04
REL_RZ		0x05
REL_HWHEEL	0x06
REL_DIAL	0x07
REL_WHEEL	0x08
REL_MISC	0x09
