UR_SET_CONFIG
case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
case C(UR_SET_CONFIG, UT_WRITE_DEVICE):
(req->bRequest == UR_SET_CONFIG)) ||
case UR_SET_CONFIG:
req.bRequest = UR_SET_CONFIG;