DFUI_BE_MSG_FIELD_CHANGED_ACK
if (msgtype != DFUI_BE_MSG_FIELD_CHANGED_ACK) {
__func__, msgtype, DFUI_BE_MSG_FIELD_CHANGED_ACK);
c->be_ll_exchange(c, DFUI_BE_MSG_FIELD_CHANGED_ACK, aura_buffer_buf(e));
case DFUI_BE_MSG_FIELD_CHANGED_ACK:
case DFUI_BE_MSG_FIELD_CHANGED_ACK: