diff --git a/subsys/bluetooth/controller/ll_sw/ull_iso.c b/subsys/bluetooth/controller/ll_sw/ull_iso.c
index 1ec86b30247..13f614fb8b1 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_iso.c
+++ b/subsys/bluetooth/controller/ll_sw/ull_iso.c
@@ -197,11 +197,13 @@ uint8_t ll_read_iso_tx_sync(uint16_t handle, uint16_t *seq,
 }
 
 /* Must be implemented by vendor */
-__weak bool ll_data_path_sink_create(struct ll_iso_datapath *datapath,
+__weak bool ll_data_path_sink_create(uint16_t handle,
+				     struct ll_iso_datapath *datapath,
 				     isoal_sink_sdu_alloc_cb *sdu_alloc,
 				     isoal_sink_sdu_emit_cb *sdu_emit,
 				     isoal_sink_sdu_write_cb *sdu_write)
 {
+	ARG_UNUSED(handle);
 	ARG_UNUSED(datapath);
 
 	*sdu_alloc = NULL;
@@ -406,7 +408,8 @@ uint8_t ll_setup_iso_path(uint16_t handle, uint8_t path_dir, uint8_t path_id,
 			isoal_sink_sdu_write_cb sdu_write;
 
 			/* Request vendor sink callbacks for path */
-			if (ll_data_path_sink_create(dp, &sdu_alloc, &sdu_emit, &sdu_write)) {
+			if (ll_data_path_sink_create(handle, dp, &sdu_alloc, &sdu_emit,
+						     &sdu_write)) {
 				err = isoal_sink_create(handle, role, framed,
 							burst_number, flush_timeout,
 							sdu_interval, iso_interval,
@@ -506,7 +509,7 @@ uint8_t ll_setup_iso_path(uint16_t handle, uint8_t path_dir, uint8_t path_id,
 		isoal_sink_sdu_write_cb sdu_write;
 
 		/* Request vendor sink callbacks for path */
-		if (ll_data_path_sink_create(dp, &sdu_alloc, &sdu_emit, &sdu_write)) {
+		if (ll_data_path_sink_create(handle, dp, &sdu_alloc, &sdu_emit, &sdu_write)) {
 			err = isoal_sink_create(handle, role, framed,
 						burst_number, flush_timeout,
 						sdu_interval, iso_interval,
@@ -1539,6 +1542,11 @@ void ll_iso_rx_mem_release(void **node_rx)
 }
 #endif /* CONFIG_BT_CTLR_SYNC_ISO) || CONFIG_BT_CTLR_CONN_ISO */
 
+struct ll_iso_datapath *ull_iso_datapath_alloc(void)
+{
+	return mem_acquire(&datapath_free);
+}
+
 void ull_iso_datapath_release(struct ll_iso_datapath *dp)
 {
 	mem_release(dp, &datapath_free);
diff --git a/subsys/bluetooth/controller/ll_sw/ull_iso_internal.h b/subsys/bluetooth/controller/ll_sw/ull_iso_internal.h
index a8831217ffe..76a87a724c7 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_iso_internal.h
+++ b/subsys/bluetooth/controller/ll_sw/ull_iso_internal.h
@@ -6,6 +6,7 @@
 
 int ull_iso_init(void);
 int ull_iso_reset(void);
+struct ll_iso_datapath *ull_iso_datapath_alloc(void);
 void ull_iso_datapath_release(struct ll_iso_datapath *dp);
 void ll_iso_rx_put(memq_link_t *link, void *rx);
 void *ll_iso_rx_get(void);
diff --git a/tests/bluetooth/bsim_bt/bsim_test_iso/src/main.c b/tests/bluetooth/bsim_bt/bsim_test_iso/src/main.c
index ea432647aad..617ac15b32f 100644
--- a/tests/bluetooth/bsim_bt/bsim_test_iso/src/main.c
+++ b/tests/bluetooth/bsim_bt/bsim_test_iso/src/main.c
@@ -129,11 +129,12 @@ static isoal_status_t test_sink_sdu_write(void *dbuf,
 }
 
 
-bool ll_data_path_sink_create(struct ll_iso_datapath *datapath,
+bool ll_data_path_sink_create(uint16_t handle, struct ll_iso_datapath *datapath,
 			      isoal_sink_sdu_alloc_cb *sdu_alloc,
 			      isoal_sink_sdu_emit_cb *sdu_emit,
 			      isoal_sink_sdu_write_cb *sdu_write)
 {
+	ARG_UNUSED(handle);
 	ARG_UNUSED(datapath);
 
 	*sdu_alloc = test_sink_sdu_alloc;