diff --git a/gralloc/gralloc_priv.h b/gralloc/gralloc_priv.h
index f9338d6..0aa6c0d 100644
--- a/gralloc/gralloc_priv.h
+++ b/gralloc/gralloc_priv.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2011-2019, The Linux Foundation. All rights reserved.
  * Not a Contribution
  *
  * Copyright (C) 2008 The Android Open Source Project
@@ -218,4 +218,11 @@
 
 enum { BUFFER_TYPE_UI = 0, BUFFER_TYPE_VIDEO };
 
+/* Flag to determine interlaced content
+ * Value maps to Flags presents in types.hal of QtiMapperextensions
+ */
+enum {
+  LAYOUT_INTERLACED_FLAG = 1 << 0,
+};
+
 #endif  // __GRALLOC_PRIV_H__