diff --git a/core/java/android/os/PowerManager.java b/core/java/android/os/PowerManager.java
index 8f2d218a20c12..17c687420457f 100644
--- a/core/java/android/os/PowerManager.java
+++ b/core/java/android/os/PowerManager.java
@@ -567,7 +567,8 @@ public final class PowerManager {
             WAKE_REASON_DISPLAY_GROUP_ADDED,
             WAKE_REASON_DISPLAY_GROUP_TURNED_ON,
             WAKE_REASON_UNFOLD_DEVICE,
-            WAKE_REASON_DREAM_FINISHED
+            WAKE_REASON_DREAM_FINISHED,
+            WAKE_REASON_TILT
     })
     @Retention(RetentionPolicy.SOURCE)
     public @interface WakeReason{}
@@ -679,6 +680,12 @@ public final class PowerManager {
      */
     public static final int WAKE_REASON_DREAM_FINISHED = 13;
 
+    /**
+     * Wake up reason code: Waking due to tilt.
+     * @hide
+     */
+    public static final int WAKE_REASON_TILT = 14;
+
     /**
      * Convert the wake reason to a string for debugging purposes.
      * @hide
@@ -699,6 +706,7 @@ public final class PowerManager {
             case WAKE_REASON_DISPLAY_GROUP_TURNED_ON: return "WAKE_REASON_DISPLAY_GROUP_TURNED_ON";
             case WAKE_REASON_UNFOLD_DEVICE: return "WAKE_REASON_UNFOLD_DEVICE";
             case WAKE_REASON_DREAM_FINISHED: return "WAKE_REASON_DREAM_FINISHED";
+            case WAKE_REASON_TILT: return "WAKE_REASON_TILT";
             default: return Integer.toString(wakeReason);
         }
     }