tests: Bluetooth: ascs: Get chan pointer from test_preamble_state_disabling

This adds a possibility to get the ISO channel pointer from
test_preamble_state_disabling function that can be further used in
tests.

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

Author: MariuszSkamra

tests/bluetooth/audio/ascs/include/test_common.h

@@ -65,4 +65,4 @@ void test_preamble_state_streaming(struct bt_conn *conn, uint8_t ase_id,
 				   struct bt_bap_stream *stream, struct bt_iso_chan **chan,
 				   bool source);
 void test_preamble_state_disabling(struct bt_conn *conn, uint8_t ase_id,
-				   struct bt_bap_stream *stream);
+				   struct bt_bap_stream *stream, struct bt_iso_chan **chan);

tests/bluetooth/audio/ascs/src/test_ase_control_params.c

@@ -830,8 +830,9 @@ static void test_receiver_stop_ready_expect_invalid_length(struct bt_conn *conn,
 		0x02,           /* Response_Code[0] = Invalid Length */
 		0x00,           /* Reason[0] */
 	};
+	struct bt_iso_chan *chan;
 
-	test_preamble_state_disabling(conn, ase_id, stream);
+	test_preamble_state_disabling(conn, ase_id, stream, &chan);
 
 	ase_cp->write(conn, ase_cp, buf, len, 0, 0);
 

tests/bluetooth/audio/ascs/src/test_ase_state_transition_invalid.c

@@ -432,12 +432,13 @@ ZTEST_F(test_ase_state_transition_invalid, test_client_source_state_disabling)
 	const struct bt_gatt_attr *ase_cp = fixture->ase_cp;
 	struct bt_bap_stream *stream = &fixture->stream;
 	struct bt_conn *conn = &fixture->conn;
+	struct bt_iso_chan *chan;
 	uint8_t ase_id;
 
 	Z_TEST_SKIP_IFNDEF(CONFIG_BT_ASCS_ASE_SRC);
 
 	ase_id = test_ase_id_get(fixture->ase_src);
-	test_preamble_state_disabling(conn, ase_id, stream);
+	test_preamble_state_disabling(conn, ase_id, stream, &chan);
 
 	test_client_config_codec_expect_transition_error(conn, ase_id, ase_cp);
 	test_client_config_qos_expect_transition_error(conn, ase_id, ase_cp);
@@ -679,12 +680,13 @@ ZTEST_F(test_ase_state_transition_invalid, test_server_source_state_disabling)
 {
 	struct bt_bap_stream *stream = &fixture->stream;
 	struct bt_conn *conn = &fixture->conn;
+	struct bt_iso_chan *chan;
 	uint8_t ase_id;
 
 	Z_TEST_SKIP_IFNDEF(CONFIG_BT_ASCS_ASE_SRC);
 
 	ase_id = test_ase_id_get(fixture->ase_src);
-	test_preamble_state_disabling(conn, ase_id, stream);
+	test_preamble_state_disabling(conn, ase_id, stream, &chan);
 
 	test_server_config_codec_expect_error(stream);
 	test_server_config_qos_expect_error(stream);

tests/bluetooth/audio/ascs/src/test_common.c

@@ -330,16 +330,15 @@ void test_preamble_state_streaming(struct bt_conn *conn, uint8_t ase_id,
 }
 
 void test_preamble_state_disabling(struct bt_conn *conn, uint8_t ase_id,
-				   struct bt_bap_stream *stream)
+				   struct bt_bap_stream *stream, struct bt_iso_chan **chan)
 {
-	struct bt_iso_chan *chan;
 	int err;
 
 	test_ase_control_client_config_codec(conn, ase_id, stream);
 	test_ase_control_client_config_qos(conn, ase_id);
 	test_ase_control_client_enable(conn, ase_id);
 
-	err = mock_bt_iso_accept(conn, 0x01, 0x01, &chan);
+	err = mock_bt_iso_accept(conn, 0x01, 0x01, chan);
 	zassert_equal(0, err, "Failed to connect iso: err %d", err);
 
 	test_ase_control_client_receiver_start_ready(conn, ase_id);