diff --git a/include/android_avb/avb_ops_user.h b/include/android_avb/avb_ops_user.h
index c3b725fe9d..4a1ef7cc89 100644
--- a/include/android_avb/avb_ops_user.h
+++ b/include/android_avb/avb_ops_user.h
@@ -14,5 +14,7 @@ int set_slot_active(unsigned int *slot_number);
 int get_current_slot(char *select_slot);
 int read_permanent_attributes(uint8_t *attributes, uint32_t size);
 int write_permanent_attributes(uint8_t *attributes, uint32_t size);
+int read_flash_lock_state(uint8_t *flash_lock_state);
+int write_flash_lock_state(uint8_t flash_lock_state);
 
 #endif
diff --git a/lib/avb/rk_libavb_user/avb_ops_user.c b/lib/avb/rk_libavb_user/avb_ops_user.c
index 0f6df5ba32..1a00a47947 100644
--- a/lib/avb/rk_libavb_user/avb_ops_user.c
+++ b/lib/avb/rk_libavb_user/avb_ops_user.c
@@ -396,3 +396,17 @@ int write_permanent_attributes(uint8_t *attributes, uint32_t size)
 
 	return 0;
 }
+
+int read_flash_lock_state(uint8_t *flash_lock_state)
+{
+	if (trusty_read_flash_lock_state(flash_lock_state))
+		return -1;
+	return 0;
+}
+
+int write_flash_lock_state(uint8_t flash_lock_state)
+{
+	if (trusty_write_flash_lock_state(flash_lock_state))
+		return -1;
+	return 0;
+}