UMP_MSG_STATUS_RPN
{ SNDRV_SEQ_EVENT_REGPARAM, UMP_MSG_STATUS_RPN,
bool is_rpn = (status == UMP_MSG_STATUS_RPN);
data->rpn.status = UMP_MSG_STATUS_RPN;
case UMP_MSG_STATUS_RPN:
buf[1] = status == UMP_MSG_STATUS_RPN ? UMP_CC_RPN_MSB : UMP_CC_NRPN_MSB;
buf[4] = status == UMP_MSG_STATUS_RPN ? UMP_CC_RPN_LSB : UMP_CC_NRPN_LSB;
midi2->rpn.status = UMP_MSG_STATUS_RPN;