libcamera: pipeline_handler: Make queueRequest() void function

PipelineHandler::queueRequest() is asynchronously invoked in
Camera::queueRequest(). Therefore the return value of
PipelineHandler::queueRequest() is useless. This changes the
function to a void function.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp
index 45bbc354..763f3b99 100644
--- a/src/libcamera/camera.cpp
+++ b/src/libcamera/camera.cpp
@@ -1011,8 +1011,10 @@ int Camera::queueRequest(Request *request)
 		}
 	}
 
-	return d->pipe_->invokeMethod(&PipelineHandler::queueRequest,
-				      ConnectionTypeQueued, request);
+	d->pipe_->invokeMethod(&PipelineHandler::queueRequest,
+			       ConnectionTypeQueued, request);
+
+	return 0;
 }
 
 /**