diff --git a/app/aboot/devinfo.h b/app/aboot/devinfo.h
index cac64c4..d0e4c73 100644
--- a/app/aboot/devinfo.h
+++ b/app/aboot/devinfo.h
@@ -37,6 +37,11 @@
 #define MAX_PANEL_ID_LEN 64
 #define MAX_VERSION_LEN  64
 
+enum unlock_type {
+	UNLOCK = 0,
+	UNLOCK_CRITICAL,
+};
+
 struct device_info
 {
 	unsigned char magic[DEVICE_MAGIC_SIZE];