Bluetooth: iso: Fix data path configuration

This fixes data path configuration that was done for both directions even if CIS was unidirectional. To ensure the data path shall be configured, the QoS SDU is checked. Fixes: zephyrproject-rtos#43190 Signed-off-by: Mariusz Skamra <[email protected]>
yegorich · Mar 15, 2022 · 0481b69 · 0481b69
1 parent bd941bc
commit 0481b69
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/subsys/bluetooth/host/iso.c b/subsys/bluetooth/host/iso.c
@@ -310,7 +310,7 @@ static int bt_iso_setup_data_path(struct bt_conn *iso)
 		return hci_le_setup_iso_data_path(iso, dir, out_path);
 	} else if (IS_ENABLED(CONFIG_BT_ISO_UNICAST) &&
 		   iso->iso.type == BT_ISO_CHAN_TYPE_CONNECTED) {
-		if (in_path != NULL) {
+		if (in_path != NULL && tx_qos->sdu > 0) {
 			/* Enable TX */
 			dir = BT_HCI_DATAPATH_DIR_HOST_TO_CTLR;
 			err = hci_le_setup_iso_data_path(iso, dir, in_path);
@@ -319,7 +319,7 @@ static int bt_iso_setup_data_path(struct bt_conn *iso)
 			}
 		}
 
-		if (out_path != NULL) {
+		if (out_path != NULL && rx_qos->sdu > 0) {
 			/* Enable RX */
 			dir = BT_HCI_DATAPATH_DIR_CTLR_TO_HOST;
 			err = hci_le_setup_iso_data_path(iso, dir, out_path);