diff --git a/include/hardware/nfc-base.h b/include/hardware/nfc-base.h
index d53e759..c9ae962 100644
--- a/include/hardware/nfc-base.h
+++ b/include/hardware/nfc-base.h
@@ -1,32 +1,33 @@
 // This file is autogenerated by hidl-gen. Do not edit manually.
+// Source: android.hardware.nfc@1.0
 
-#ifndef HIDL_GENERATED_android_hardware_nfc_V1_0__EXPORTED_CONSTANTS_H_
-#define HIDL_GENERATED_android_hardware_nfc_V1_0__EXPORTED_CONSTANTS_H_
+#ifndef HIDL_GENERATED_ANDROID_HARDWARE_NFC_V1_0_EXPORTED_CONSTANTS_H_
+#define HIDL_GENERATED_ANDROID_HARDWARE_NFC_V1_0_EXPORTED_CONSTANTS_H_
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 enum {
-    HAL_NFC_OPEN_CPLT_EVT = 0,
-    HAL_NFC_CLOSE_CPLT_EVT = 1,
-    HAL_NFC_POST_INIT_CPLT_EVT = 2,
-    HAL_NFC_PRE_DISCOVER_CPLT_EVT = 3,
-    HAL_NFC_REQUEST_CONTROL_EVT = 4,
-    HAL_NFC_RELEASE_CONTROL_EVT = 5,
-    HAL_NFC_ERROR_EVT = 6,
+    HAL_NFC_OPEN_CPLT_EVT = 0u, // 0
+    HAL_NFC_CLOSE_CPLT_EVT = 1u, // 1
+    HAL_NFC_POST_INIT_CPLT_EVT = 2u, // 2
+    HAL_NFC_PRE_DISCOVER_CPLT_EVT = 3u, // 3
+    HAL_NFC_REQUEST_CONTROL_EVT = 4u, // 4
+    HAL_NFC_RELEASE_CONTROL_EVT = 5u, // 5
+    HAL_NFC_ERROR_EVT = 6u, // 6
 };
 
 enum {
-    HAL_NFC_STATUS_OK = 0,
-    HAL_NFC_STATUS_FAILED = 1,
-    HAL_NFC_STATUS_ERR_TRANSPORT = 2,
-    HAL_NFC_STATUS_ERR_CMD_TIMEOUT = 3,
-    HAL_NFC_STATUS_REFUSED = 4,
+    HAL_NFC_STATUS_OK = 0u, // 0
+    HAL_NFC_STATUS_FAILED = 1u, // 1
+    HAL_NFC_STATUS_ERR_TRANSPORT = 2u, // 2
+    HAL_NFC_STATUS_ERR_CMD_TIMEOUT = 3u, // 3
+    HAL_NFC_STATUS_REFUSED = 4u, // 4
 };
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif  // HIDL_GENERATED_android_hardware_nfc_V1_0__EXPORTED_CONSTANTS_H_
+#endif  // HIDL_GENERATED_ANDROID_HARDWARE_NFC_V1_0_EXPORTED_CONSTANTS_H_