libcamera: camera: Add helper to check for exclusive access

Some operations on the camera requires the application to have exclusive
access to the camera. To help check for this in these operations add a
helper.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h
index bbe2696e..36bf1cbb 100644
--- a/include/libcamera/camera.h
+++ b/include/libcamera/camera.h
@@ -50,6 +50,7 @@ private:
 
 	friend class PipelineHandler;
 	void disconnect();
+	int exclusiveAccess();
 
 	std::shared_ptr<PipelineHandler> pipe_;
 	std::string name_;