camera: Make CAMMode::forceDrc var an enum, and some extra comments

Done because only 0 and 1 are valid values

include/camera/camera.h

@@ -54,17 +54,27 @@ typedef enum CamFps
    CAMERA_FPS_30 = 1
 } CamFps;
 
+//! Stream type. There is only one valid stream type
 typedef enum CamStreamType
 {
    CAMERA_STREAM_TYPE_1 = 0
 } CamStreamType;
 
+//! Type of event received by the event handler
 typedef enum CamEventType
 {
+   //! Frame was captured, decoded and copied to a submitted surface
    CAMERA_DECODE_DONE = 0,
+   //! Wii U Gamepad disconnected
    CAMERA_DRC_DETACH  = 1
 } CamEventType;
 
+typedef enum CamForceDRC
+{
+   CAMERA_FORCE_DRC_OFF = 0,
+   CAMERA_FORCE_DRC_ON  = 1
+};
+
 struct CAMEventData
 {
    //! Event type
@@ -104,8 +114,8 @@ typedef void (*CAMEventHandler)(CAMEventData *camEventData);
 
 struct CAMMode
 {
-   //! If TRUE, the GamePad will display the camera output regardless of what is being rendered
-   BOOL forceDrc;
+   //! Controls whether GamePad will display the camera output (regardless of rendered content)
+   CamForceDRC forceDrc;
    //! Framerate setting
    CamFps fps;
 };