Minor documentation fixes

hwdriver.c

@@ -439,7 +439,8 @@ SR_PRIV void sr_hw_cleanup_all(void)
 	}
 }
 
-/** A floating reference can be passed in for data. */
+/** A floating reference can be passed in for data.
+ * @private */
 SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data)
 {
 	struct sr_config *src;
@@ -452,6 +453,7 @@ SR_PRIV struct sr_config *sr_config_new(int key, GVariant *data)
 	return src;
 }
 
+/** @private */
 SR_PRIV void sr_config_free(struct sr_config *src)
 {
 

session.c

@@ -411,6 +411,8 @@ SR_API int sr_session_run(void)
  * resources that the session thread will try to use.
  *
  * @return SR_OK upon success, SR_ERR_BUG if no session exists.
+ *
+ * @private
  */
 SR_PRIV int sr_session_stop_sync(void)
 {

session_file.c

@@ -51,6 +51,7 @@
 extern struct sr_session *session;
 extern SR_PRIV struct sr_dev_driver session_driver;
 
+/** @private */
 SR_PRIV int sr_sessionfile_check(const char *filename)
 {
 	struct zip *archive;