diff --git a/binder/android/os/IVold.aidl b/binder/android/os/IVold.aidl
index b1af587..ae5a3bc 100644
--- a/binder/android/os/IVold.aidl
+++ b/binder/android/os/IVold.aidl
@@ -157,6 +157,7 @@
     const int REMOUNT_MODE_LEGACY = 4;
     const int REMOUNT_MODE_INSTALLER = 5;
     const int REMOUNT_MODE_FULL = 6;
+    const int REMOUNT_MODE_PASS_THROUGH = 7;
 
     const int VOLUME_STATE_UNMOUNTED = 0;
     const int VOLUME_STATE_CHECKING = 1;