Bluetooth: ascs: Drop ISO PDUs if ASE is not in streaming state

This fixes missing drop of ISO Data PDUs received in non-streaming state.
The server shall indicate first it's readiness to receive the ISO Data
by calling bt_bap_stream_start that triggers state transition from
Enabling to Streaming state.

Signed-off-by: Mariusz Skamra <[email protected]>

Author: MariuszSkamra

subsys/bluetooth/audio/ascs.c

@@ -671,10 +671,12 @@ static void ascs_iso_recv(struct bt_iso_chan *chan,
 		return;
 	}
 
-	if (IS_ENABLED(CONFIG_BT_BAP_DEBUG_STREAM_DATA) &&
-	    ep->status.state != BT_BAP_EP_STATE_STREAMING) {
-		LOG_DBG("ep %p is not in the streaming state: %s", ep,
-			bt_bap_ep_state_str(ep->status.state));
+	if (ep->status.state != BT_BAP_EP_STATE_STREAMING) {
+		if (IS_ENABLED(CONFIG_BT_BAP_DEBUG_STREAM_DATA)) {
+			LOG_DBG("ep %p is not in the streaming state: %s", ep,
+				bt_bap_ep_state_str(ep->status.state));
+		}
+
 		return;
 	}