diff --git a/Documentation/driver-api/soundwire/stream.rst b/Documentation/driver-api/soundwire/stream.rst
index b432a2de45d3..2a794484f62c 100644
--- a/Documentation/driver-api/soundwire/stream.rst
+++ b/Documentation/driver-api/soundwire/stream.rst
@@ -324,12 +324,12 @@ framework, this stream state is linked to .hw_params() operation.
 
   int sdw_stream_add_master(struct sdw_bus * bus,
 		struct sdw_stream_config * stream_config,
-		struct sdw_ports_config * ports_config,
+		const struct sdw_ports_config * ports_config,
 		struct sdw_stream_runtime * stream);
 
   int sdw_stream_add_slave(struct sdw_slave * slave,
 		struct sdw_stream_config * stream_config,
-		struct sdw_ports_config * ports_config,
+		const struct sdw_ports_config * ports_config,
 		struct sdw_stream_runtime * stream);