sof_sonode_notify_filters
sof_sonode_notify_filters(so, SOF_EV_INJECT_DATA_IN_OK, 0);
sof_sonode_notify_filters(so, SOF_EV_CLOSING, (uintptr_t)B_TRUE);
extern void sof_sonode_notify_filters(struct sonode *, sof_event_t,
sof_sonode_notify_filters(so, SOF_EV_CANTSENDMORE, 0);
sof_sonode_notify_filters(so, (connfailed) ? SOF_EV_CONNECTFAILED :
sof_sonode_notify_filters(so, SOF_EV_INJECT_DATA_OUT_OK, 0);
sof_sonode_notify_filters(so, SOF_EV_CANTRECVMORE, 0);
sof_sonode_notify_filters(so, SOF_EV_CONNECTED, 0);