camera: add external camera facing enum
This is to enable the external camera support
Change-Id: Id8329e31ad0622bdc06c60e87e97c742a9719b3b
diff --git a/include/system/camera.h b/include/system/camera.h
index 7a4dd53..09c915d 100644
--- a/include/system/camera.h
+++ b/include/system/camera.h
@@ -194,7 +194,12 @@
/** The facing of the camera is opposite to that of the screen. */
CAMERA_FACING_BACK = 0,
/** The facing of the camera is the same as that of the screen. */
- CAMERA_FACING_FRONT = 1
+ CAMERA_FACING_FRONT = 1,
+ /**
+ * The facing of the camera is not fixed relative to the screen.
+ * The cameras with this facing are external cameras, e.g. USB cameras.
+ */
+ CAMERA_FACING_EXTERNAL = 2
};
enum {