diff --git a/cat/patches/button_backlights.patch b/cat/patches/button_backlights.patch
index 88db03a..7b64536 100644
--- a/cat/patches/button_backlights.patch
+++ b/cat/patches/button_backlights.patch
@@ -1,60 +1,60 @@
 diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
-index 7c0f4197363..a46b96ae5fa 100644
+index 7c0f4197363..16758ba496e 100644
 --- a/services/core/java/com/android/server/display/DisplayPowerController.java
 +++ b/services/core/java/com/android/server/display/DisplayPowerController.java
-@@ -63,6 +63,10 @@ import com.android.server.display.whitebalance.DisplayWhiteBalanceFactory;
+@@ -63,7 +63,12 @@ import com.android.server.display.whitebalance.DisplayWhiteBalanceFactory;
  import com.android.server.display.whitebalance.DisplayWhiteBalanceSettings;
  import com.android.server.policy.WindowManagerPolicy;
  
-+// Button backlights
-+import com.android.server.lights.LightsManager;
-+import com.android.server.lights.LogicalLight;
-+
++import java.io.BufferedWriter;
++import java.io.File;
++import java.io.FileWriter;
++import java.io.IOException;
  import java.io.PrintWriter;
++import java.io.Writer;
  import java.util.List;
  
-@@ -258,6 +262,10 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
-     // Must only be accessed on the handler thread.
-     private DisplayPowerState mPowerState;
+ /**
+@@ -561,6 +566,18 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
+         mDisplayWhiteBalanceController = displayWhiteBalanceController;
+     }
  
-+    // Buttons backlight
-+    private LightsManager mLightsManager;
-+    private LogicalLight mButtonsLight;
++    private void changeKeyboardBacklightState(String value) {
++        try {
++          File outputFile = new File("/sys/class/leds/keyboard_light/", "brightness");
++          Writer writer = new BufferedWriter(new FileWriter(outputFile));
 +
-     // True if the device should wait for negative proximity sensor before
-     // waking up the screen.  This is set to false as soon as a negative
-     // proximity sensor measurement is observed or when the device is forced to
-@@ -686,6 +694,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
-         mPowerState = new DisplayPowerState(mBlanker,
-                 mColorFadeEnabled ? new ColorFade(Display.DEFAULT_DISPLAY) : null);
- 
-+        mLightsManager = LocalServices.getService(LightsManager.class);
-+        mButtonsLight = mLightsManager.getLight(LightsManager.LIGHT_ID_KEYBOARD);
++          writer.write(value);
++          writer.close();
++        } catch (IOException e) {
++          Slog.d("NEHEMIAH", "Sorry, failed to change the value of the keyboard backlight");
++        }
++    }
 +
-         if (mColorFadeEnabled) {
-             mColorFadeOnAnimator = ObjectAnimator.ofFloat(
-                     mPowerState, DisplayPowerState.COLOR_FADE_LEVEL, 0.0f, 1.0f);
-@@ -1154,6 +1165,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
+     private Sensor findDisplayLightSensor(String sensorType) {
+         if (!TextUtils.isEmpty(sensorType)) {
+             List<Sensor> sensors = mSensorManager.getSensorList(Sensor.TYPE_ALL);
+@@ -1154,6 +1171,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
                  && mReportedScreenStateToPolicy == REPORTED_TO_POLICY_SCREEN_TURNING_ON) {
              setReportedScreenState(REPORTED_TO_POLICY_SCREEN_ON);
              mWindowManagerPolicy.screenTurnedOn();
-+	    mButtonsLight.setBrightness(PowerManager.BRIGHTNESS_MAX);
++            changeKeyboardBacklightState("255");
          }
  
          // Grab a wake lock if we have unfinished business.
-@@ -1310,6 +1322,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
+@@ -1310,6 +1328,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
              setReportedScreenState(REPORTED_TO_POLICY_SCREEN_OFF);
              unblockScreenOn();
              mWindowManagerPolicy.screenTurnedOff();
-+	    mButtonsLight.setBrightness(PowerManager.BRIGHTNESS_MIN);
++            changeKeyboardBacklightState("0");
          } else if (!isOff
                  && mReportedScreenStateToPolicy == REPORTED_TO_POLICY_SCREEN_TURNING_OFF) {
  
-@@ -1317,6 +1330,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
+@@ -1317,6 +1336,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
              // Complete the full state transition on -> turningOff -> off.
              unblockScreenOff();
              mWindowManagerPolicy.screenTurnedOff();
-+	    mButtonsLight.setBrightness(PowerManager.BRIGHTNESS_MIN);
++            changeKeyboardBacklightState("0");
              setReportedScreenState(REPORTED_TO_POLICY_SCREEN_OFF);
          }
          if (!isOff && mReportedScreenStateToPolicy == REPORTED_TO_POLICY_SCREEN_OFF) {