diff --git a/services/core/java/com/android/server/display/AutomaticBrightnessController.java b/services/core/java/com/android/server/display/AutomaticBrightnessController.java
index 6fd88411593f2..72464be0b89e4 100644
--- a/services/core/java/com/android/server/display/AutomaticBrightnessController.java
+++ b/services/core/java/com/android/server/display/AutomaticBrightnessController.java
@@ -344,7 +344,9 @@ class AutomaticBrightnessController {
             brightnessEvent.recommendedBrightness = mScreenAutoBrightness;
             brightnessEvent.flags |= (!mAmbientLuxValid ? BrightnessEvent.FLAG_INVALID_LUX : 0)
                     | (mDisplayPolicy == DisplayPowerRequest.POLICY_DOZE
-                        ? BrightnessEvent.FLAG_DOZE_SCALE : 0);
+                        ? BrightnessEvent.FLAG_DOZE_SCALE : 0)
+                    | (mCurrentBrightnessMapper.isForIdleMode()
+                        ? BrightnessEvent.FLAG_IDLE_CURVE : 0);
         }
 
         if (!mAmbientLuxValid) {
diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
index 62b1cfeda9de2..8781a8d9b0755 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController.java
@@ -2738,8 +2738,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
     class BrightnessEvent {
         static final int FLAG_RBC = 0x1;
         static final int FLAG_INVALID_LUX = 0x2;
-        static final int FLAG_DOZE_SCALE = 0x3;
-        static final int FLAG_USER_SET = 0x4;
+        static final int FLAG_DOZE_SCALE = 0x4;
+        static final int FLAG_USER_SET = 0x8;
+        static final int FLAG_IDLE_CURVE = 0x16;
 
         public final BrightnessReason reason = new BrightnessReason();
 
@@ -2843,7 +2844,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
             return ((flags & FLAG_USER_SET) != 0 ? "user_set " : "")
                     + ((flags & FLAG_RBC) != 0 ? "rbc " : "")
                     + ((flags & FLAG_INVALID_LUX) != 0 ? "invalid_lux " : "")
-                    + ((flags & FLAG_DOZE_SCALE) != 0 ? "doze_scale " : "");
+                    + ((flags & FLAG_DOZE_SCALE) != 0 ? "doze_scale " : "")
+                    + ((flags & FLAG_DOZE_SCALE) != 0 ? "idle_curve " : "");
         }
     }