Bluetooth: ISO: Tone down some dbg logs

Several log statements were using the regualar LOG_DBG,
but when ISO is actually used, those were called every TX
which at 10ms SDU intervals would fill up the log really fast
and not provided much value outside of some specific debugging.

Modified those logs to use BT_ISO_DATA_DBG which is another
log level for ISO data.

Signed-off-by: Emil Gydesen <[email protected]>

subsys/bluetooth/host/iso.c

@@ -757,15 +757,15 @@ static struct net_buf *iso_data_pull(struct bt_conn *conn,
 				     size_t *length)
 {
 #if defined(CONFIG_BT_ISO_TX)
-	LOG_DBG("conn %p amount %d", conn, amount);
+	BT_ISO_DATA_DBG("conn %p amount %d", conn, amount);
 
 	/* Leave the PDU buffer in the queue until we have sent all its
 	 * fragments.
 	 */
 	struct net_buf *frag = k_fifo_peek_head(&conn->iso.txq);
 
 	if (!frag) {
-		LOG_DBG("signaled ready but no frag available");
+		BT_ISO_DATA_DBG("signaled ready but no frag available");
 		/* Service other connections */
 		bt_tx_irq_raise();
 
@@ -797,7 +797,7 @@ static struct net_buf *iso_data_pull(struct bt_conn *conn,
 	if (last_frag) {
 		__maybe_unused struct net_buf *b = k_fifo_get(&conn->iso.txq, K_NO_WAIT);
 
-		LOG_DBG("last frag, pop buf");
+		BT_ISO_DATA_DBG("last frag, pop buf");
 		__ASSERT_NO_MSG(b == frag);
 	}
 
@@ -846,7 +846,7 @@ int conn_iso_send(struct bt_conn *conn, struct net_buf *buf, enum bt_iso_timesta
 	net_buf_push_u8(buf, has_ts);
 
 	net_buf_put(&conn->iso.txq, buf);
-	LOG_DBG("%p put on list", buf);
+	BT_ISO_DATA_DBG("%p put on list", buf);
 
 	/* only one ISO channel per conn-object */
 	bt_conn_data_ready(conn);
@@ -914,7 +914,7 @@ int bt_iso_chan_send(struct bt_iso_chan *chan, struct net_buf *buf, uint16_t seq
 
 	iso_conn = chan->iso;
 
-	LOG_DBG("send-iso (no ts)");
+	BT_ISO_DATA_DBG("send-iso (no ts)");
 	return conn_iso_send(iso_conn, buf, BT_ISO_TS_ABSENT);
 }