@@ -32,6 +32,7 @@  public:
 	~Private();
 
 	PipelineHandler *pipe() { return pipe_.get(); }
+	const PipelineHandler *pipe() const { return pipe_.get(); }
 
 	std::list<Request *> queuedRequests_;
 	ControlInfoMap controlInfo_;
@@ -603,6 +603,11 @@  Camera::Private::~Private()
  * \return The pipeline handler that created this camera
  */
 
+/**
+ * \fn Camera::Private::pipe() const
+ * \copydoc Camera::Private::pipe()
+ */
+
 /**
  * \fn Camera::Private::validator()
  * \brief Retrieve the control validator related to this camera