libcamera: Remove void specifier for functions that take no arguments

In C++, unlike in C, a function that takes no argument doesn't need to
specify void in the arguments list. Drop the unnecessary specifiers.

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

include/libcamera/internal/ipa_module.h

@@ -52,7 +52,7 @@ private:
 	bool loaded_;
 
 	void *dlHandle_;
-	typedef struct ipa_context *(*IPAIntfFactory)(void);
+	typedef struct ipa_context *(*IPAIntfFactory)();
 	IPAIntfFactory ipaCreate_;
 };
 

src/android/camera3_hal.cpp

@@ -22,7 +22,7 @@ static CameraHalManager cameraManager;
  * Android Camera HAL callbacks
  */
 
-static int hal_get_number_of_cameras(void)
+static int hal_get_number_of_cameras()
 {
 	return cameraManager.numCameras();
 }

src/gstreamer/gstlibcameraallocator.cpp

@@ -70,7 +70,7 @@ FrameWrap::~FrameWrap()
 	}
 }
 
-GQuark FrameWrap::getQuark(void)
+GQuark FrameWrap::getQuark()
 {
 	static gsize frame_quark = 0;
 

src/gstreamer/gstlibcamerapad.cpp

@@ -84,7 +84,7 @@ gst_libcamera_pad_init(GstLibcameraPad *self)
 }
 
 static GType
-gst_libcamera_stream_role_get_type(void)
+gst_libcamera_stream_role_get_type()
 {
 	static GType type = 0;
 	static const GEnumValue values[] = {