cam: Convert to pragma once

Remove the verbose #ifndef/#define/#endif pattern for maintaining
header idempotency, and replace it with a simple #pragma once.

This simplifies the headers, and prevents redundant changes when
header files get moved.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/src/cam/stream_options.h b/src/cam/stream_options.h
index fbbc13a3..d235b77f 100644
--- a/src/cam/stream_options.h
+++ b/src/cam/stream_options.h
@@ -4,8 +4,8 @@
  *
  * stream_options.h - Helper to parse options for streams
  */
-#ifndef __CAM_STREAM_OPTIONS_H__
-#define __CAM_STREAM_OPTIONS_H__
+
+#pragma once
 
 #include <libcamera/camera.h>
 
@@ -26,5 +26,3 @@ private:
 	static bool parseRole(libcamera::StreamRole *role,
 			      const KeyValueParser::Options &options);
 };
-
-#endif /* __CAM_STREAM_OPTIONS_H__ */