diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java
index 4535992ed5b87..7c4588983b4e9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java
@@ -20,15 +20,19 @@ import android.graphics.Rect;
 import android.view.View;
 
 import com.android.systemui.Dependency;
+import com.android.systemui.Dumpable;
 import com.android.systemui.statusbar.policy.BatteryController;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+
 import static com.android.systemui.statusbar.phone.BarTransitions.MODE_LIGHTS_OUT_TRANSPARENT;
 import static com.android.systemui.statusbar.phone.BarTransitions.MODE_TRANSPARENT;
 
 /**
  * Controls how light status bar flag applies to the icons.
  */
-public class LightBarController implements BatteryController.BatteryStateChangeCallback {
+public class LightBarController implements BatteryController.BatteryStateChangeCallback, Dumpable {
 
     private static final float NAV_BAR_INVERSION_SCRIM_ALPHA_THRESHOLD = 0.1f;
 
@@ -203,4 +207,37 @@ public class LightBarController implements BatteryController.BatteryStateChangeC
     public void onPowerSaveChanged(boolean isPowerSave) {
         reevaluate();
     }
+
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        pw.println("LightBarController: ");
+        pw.print(" mSystemUiVisibility=0x"); pw.print(
+                Integer.toHexString(mSystemUiVisibility));
+        pw.print(" mFullscreenStackVisibility=0x"); pw.print(
+                Integer.toHexString(mFullscreenStackVisibility));
+        pw.print(" mDockedStackVisibility=0x"); pw.println(
+                Integer.toHexString(mDockedStackVisibility));
+
+        pw.print(" mFullscreenLight="); pw.print(mFullscreenLight);
+        pw.print(" mDockedLight="); pw.println(mDockedLight);
+
+        pw.print(" mLastFullscreenBounds="); pw.print(mLastFullscreenBounds);
+        pw.print(" mLastDockedBounds="); pw.println(mLastDockedBounds);
+
+        pw.print(" mNavigationLight="); pw.print(mNavigationLight);
+        pw.print(" mHasLightNavigationBar="); pw.println(mHasLightNavigationBar);
+
+        pw.print(" mLastStatusBarMode="); pw.print(mLastStatusBarMode);
+        pw.print(" mLastNavigationBarMode="); pw.println(mLastNavigationBarMode);
+
+        pw.print(" mScrimAlpha="); pw.print(mScrimAlpha);
+        pw.print(" mScrimAlphaBelowThreshold="); pw.println(mScrimAlphaBelowThreshold);
+        pw.println();
+        pw.println(" StatusBarTransitionsController:");
+        mStatusBarIconController.getTransitionsController().dump(fd, pw, args);
+        pw.println();
+        pw.println(" NavigationBarTransitionsController:");
+        mNavigationBarController.dump(fd, pw, args);
+        pw.println();
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java
index 0f9f0563b7fea..07f37ab01f5c9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java
@@ -20,13 +20,18 @@ import android.animation.ValueAnimator;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.SystemClock;
+import android.util.TimeUtils;
 
+import com.android.systemui.Dumpable;
 import com.android.systemui.Interpolators;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+
 /**
  * Class to control all aspects about light bar changes.
  */
-public class LightBarTransitionsController {
+public class LightBarTransitionsController implements Dumpable {
 
     public static final long DEFAULT_TINT_ANIMATION_DURATION = 120;
     private static final String EXTRA_DARK_INTENSITY = "dark_intensity";
@@ -147,6 +152,26 @@ public class LightBarTransitionsController {
         mApplier.applyDarkIntensity(darkIntensity);
     }
 
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        pw.print("  mTransitionDeferring="); pw.print(mTransitionDeferring);
+        if (mTransitionDeferring) {
+            pw.println();
+            pw.print("   mTransitionDeferringStartTime=");
+            pw.println(TimeUtils.formatUptime(mTransitionDeferringStartTime));
+
+            pw.print("   mTransitionDeferringDuration=");
+            TimeUtils.formatDuration(mTransitionDeferringDuration, pw);
+            pw.println();
+        }
+        pw.print("  mTransitionPending="); pw.print(mTransitionPending);
+        pw.print(" mTintChangePending="); pw.println(mTintChangePending);
+
+        pw.print("  mPendingDarkIntensity="); pw.print(mPendingDarkIntensity);
+        pw.print(" mDarkIntensity="); pw.print(mDarkIntensity);
+        pw.print(" mNextDarkIntensity="); pw.println(mNextDarkIntensity);
+    }
+
     /**
      * Interface to apply a specific dark intensity.
      */
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
index 9ac6f6580ba3d..638c12f3213e8 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -3416,6 +3416,9 @@ public class StatusBar extends SystemUI implements DemoMode,
         } else {
             pw.println("  mGroupManager: null");
         }
+
+        mLightBarController.dump(fd, pw, args);
+
         if (KeyguardUpdateMonitor.getInstance(mContext) != null) {
             KeyguardUpdateMonitor.getInstance(mContext).dump(fd, pw, args);
         }