1 files changed, 3 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/camera2/Parameters.h b/services/camera/libcameraservice/camera2/Parameters.h
index 8a8645ee..54b1e8cb 100644
--- a/services/camera/libcameraservice/camera2/Parameters.h
+++ b/services/camera/libcameraservice/camera2/Parameters.h
@@ -100,6 +100,9 @@ struct Parameters {
         Area(int left, int top, int right, int bottom, int weight):
                 left(left), top(top), right(right), bottom(bottom),
                 weight(weight) {}
+        bool isEmpty() const {
+            return (left == 0) && (top == 0) && (right == 0) && (bottom == 0);
+        }
     };
     Vector<Area> focusingAreas;