diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 69f3e700796d..2362f621d94c 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -979,6 +979,7 @@ struct sdw_stream_runtime {
  * @stream_refcount: number of streams currently using this bus
  * @btp_stream_refcount: number of BTP streams currently using this bus (should
  * be zero or one, multiple streams per link is not supported).
+ * @bpt_stream: pointer stored to handle BTP streams.
  * @ops: Master callback ops
  * @port_ops: Master port callback ops
  * @prop: Master properties
@@ -1017,6 +1018,7 @@ struct sdw_bus {
 	struct sdw_bus_params params;
 	int stream_refcount;
 	int bpt_stream_refcount;
+	struct sdw_stream_runtime *bpt_stream;
 	const struct sdw_master_ops *ops;
 	const struct sdw_master_port_ops *port_ops;
 	struct sdw_master_prop prop;