UR_SET_INTERFACE
case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
ur->ucr_request.bRequest == UR_SET_INTERFACE))
case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):
ur->ucr_request.bRequest == UR_SET_INTERFACE))
req.bRequest = UR_SET_INTERFACE;
case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE):