diff --git a/Android.mk b/Android.mk
index 260da03b4f232..741c5708fba54 100644
--- a/Android.mk
+++ b/Android.mk
@@ -587,6 +587,7 @@ LOCAL_STATIC_JAVA_LIBRARIES :=                          \
     android.hardware.thermal-V1.0-java-constants         \
     android.hardware.tv.input-V1.0-java-constants        \
     android.hardware.usb-V1.0-java-constants             \
+    android.hardware.usb-V1.1-java-constants             \
     android.hardware.vibrator-V1.0-java-constants        \
 
 # Loaded with System.loadLibrary by android.view.textclassifier
diff --git a/core/java/android/hardware/usb/UsbPort.java b/core/java/android/hardware/usb/UsbPort.java
index fea730e492c88..afdb202211dd4 100644
--- a/core/java/android/hardware/usb/UsbPort.java
+++ b/core/java/android/hardware/usb/UsbPort.java
@@ -64,6 +64,18 @@ public final class UsbPort implements Parcelable {
      */
     public static final int MODE_DUAL = Constants.PortMode.DRP;
 
+    /**
+     * Mode bit: This USB port can support USB Type-C Audio accessory.
+     */
+    public static final int MODE_AUDIO_ACCESSORY =
+            android.hardware.usb.V1_1.Constants.PortMode_1_1.AUDIO_ACCESSORY;
+
+    /**
+     * Mode bit: This USB port can support USB Type-C debug accessory.
+     */
+    public static final int MODE_DEBUG_ACCESSORY =
+            android.hardware.usb.V1_1.Constants.PortMode_1_1.DEBUG_ACCESSORY;
+
     /**
      * Power role: This USB port does not have a power role.
      */
@@ -135,9 +147,9 @@ public final class UsbPort implements Parcelable {
      * in a bit-field.
      *
      * @param powerRole The desired power role: {@link UsbPort#POWER_ROLE_SOURCE}
-     * or {@link UsbPort#POWER_ROLE_SINK}, or 0 if no power role.
-     * @param dataRole The desired data role: {@link UsbPort#DATA_ROLE_HOST}
-     * or {@link UsbPort#DATA_ROLE_DEVICE}, or 0 if no data role.
+     *                  or {@link UsbPort#POWER_ROLE_SINK}, or 0 if no power role.
+     * @param dataRole  The desired data role: {@link UsbPort#DATA_ROLE_HOST}
+     *                  or {@link UsbPort#DATA_ROLE_DEVICE}, or 0 if no data role.
      * @hide
      */
     public static int combineRolesAsBit(int powerRole, int dataRole) {
@@ -148,18 +160,31 @@ public final class UsbPort implements Parcelable {
 
     /** @hide */
     public static String modeToString(int mode) {
-        switch (mode) {
-            case MODE_NONE:
-                return "none";
-            case MODE_DFP:
-                return "dfp";
-            case MODE_UFP:
-                return "ufp";
-            case MODE_DUAL:
-                return "dual";
-            default:
-                return Integer.toString(mode);
+        StringBuilder modeString = new StringBuilder();
+        if (mode == MODE_NONE) {
+            return "none";
         }
+
+        if ((mode & MODE_DUAL) == MODE_DUAL) {
+            modeString.append("dual, ");
+        } else {
+            if ((mode & MODE_DFP) == MODE_DFP) {
+                modeString.append("dfp, ");
+            } else if ((mode & MODE_UFP) == MODE_UFP) {
+                modeString.append("ufp, ");
+            }
+        }
+        if ((mode & MODE_AUDIO_ACCESSORY) == MODE_AUDIO_ACCESSORY) {
+            modeString.append("audio_acc, ");
+        }
+        if ((mode & MODE_DEBUG_ACCESSORY) == MODE_DEBUG_ACCESSORY) {
+            modeString.append("debug_acc, ");
+        }
+
+        if (modeString.length() == 0) {
+            return Integer.toString(mode);
+        }
+        return modeString.substring(0, modeString.length() - 2);
     }
 
     /** @hide */
@@ -240,6 +265,13 @@ public final class UsbPort implements Parcelable {
         Preconditions.checkArgumentInRange(dataRole, DATA_ROLE_NONE, DATA_ROLE_DEVICE, "dataRole");
     }
 
+    /** @hide */
+    public boolean isModeSupported(int mode) {
+        if ((mSupportedModes & mode) == mode) return true;
+        return false;
+    }
+
+
     @Override
     public String toString() {
         return "UsbPort{id=" + mId + ", supportedModes=" + modeToString(mSupportedModes) + "}";
@@ -258,16 +290,16 @@ public final class UsbPort implements Parcelable {
 
     public static final Parcelable.Creator<UsbPort> CREATOR =
             new Parcelable.Creator<UsbPort>() {
-        @Override
-        public UsbPort createFromParcel(Parcel in) {
-            String id = in.readString();
-            int supportedModes = in.readInt();
-            return new UsbPort(id, supportedModes);
-        }
+                @Override
+                public UsbPort createFromParcel(Parcel in) {
+                    String id = in.readString();
+                    int supportedModes = in.readInt();
+                    return new UsbPort(id, supportedModes);
+                }
 
-        @Override
-        public UsbPort[] newArray(int size) {
-            return new UsbPort[size];
-        }
-    };
+                @Override
+                public UsbPort[] newArray(int size) {
+                    return new UsbPort[size];
+                }
+            };
 }
diff --git a/services/usb/Android.mk b/services/usb/Android.mk
index f6d212bccd1c3..4cc0cef741939 100644
--- a/services/usb/Android.mk
+++ b/services/usb/Android.mk
@@ -9,6 +9,7 @@ LOCAL_SRC_FILES += \
 
 LOCAL_JAVA_LIBRARIES := services.core
 LOCAL_STATIC_JAVA_LIBRARIES := android.hardware.usb-V1.0-java-static \
+android.hardware.usb-V1.1-java-static \
 android.hidl.manager-V1.0-java-static
 
 include $(BUILD_STATIC_JAVA_LIBRARY)
diff --git a/services/usb/java/com/android/server/usb/UsbPortManager.java b/services/usb/java/com/android/server/usb/UsbPortManager.java
index 27297951cb6e4..7e2496c4f0f38 100644
--- a/services/usb/java/com/android/server/usb/UsbPortManager.java
+++ b/services/usb/java/com/android/server/usb/UsbPortManager.java
@@ -22,11 +22,12 @@ import android.hardware.usb.UsbManager;
 import android.hardware.usb.UsbPort;
 import android.hardware.usb.UsbPortStatus;
 import android.hardware.usb.V1_0.IUsb;
-import android.hardware.usb.V1_0.IUsbCallback;
 import android.hardware.usb.V1_0.PortRole;
 import android.hardware.usb.V1_0.PortRoleType;
 import android.hardware.usb.V1_0.PortStatus;
 import android.hardware.usb.V1_0.Status;
+import android.hardware.usb.V1_1.IUsbCallback;
+import android.hardware.usb.V1_1.PortStatus_1_1;
 import android.hidl.manager.V1_0.IServiceManager;
 import android.hidl.manager.V1_0.IServiceNotification;
 import android.os.Bundle;
@@ -454,6 +455,39 @@ public class UsbPortManager {
             return;
         }
 
+
+        public void notifyPortStatusChange_1_1(ArrayList<PortStatus_1_1> currentPortStatus,
+                int retval) {
+            if (!portManager.mSystemReady) {
+                return;
+            }
+
+            if (retval != Status.SUCCESS) {
+                logAndPrint(Log.ERROR, pw, "port status enquiry failed");
+                return;
+            }
+
+            ArrayList<RawPortInfo> newPortInfo = new ArrayList<RawPortInfo>();
+
+            for (PortStatus_1_1 current : currentPortStatus) {
+                RawPortInfo temp = new RawPortInfo(current.status.portName,
+                        current.supportedModes, current.currentMode,
+                        current.status.canChangeMode, current.status.currentPowerRole,
+                        current.status.canChangePowerRole,
+                        current.status.currentDataRole, current.status.canChangeDataRole);
+                newPortInfo.add(temp);
+                logAndPrint(Log.INFO, pw, "ClientCallback: " + current.status.portName);
+            }
+
+            Message message = portManager.mHandler.obtainMessage();
+            Bundle bundle = new Bundle();
+            bundle.putParcelableArrayList(PORT_INFO, newPortInfo);
+            message.what = MSG_UPDATE_PORTS;
+            message.setData(bundle);
+            portManager.mHandler.sendMessage(message);
+            return;
+        }
+
         public void notifyRoleSwitchStatus(String portName, PortRole role, int retval) {
             if (retval == Status.SUCCESS) {
                 logAndPrint(Log.INFO, pw, portName + " role switch successful");
@@ -568,7 +602,7 @@ public class UsbPortManager {
             IndentingPrintWriter pw) {
         // Only allow mode switch capability for dual role ports.
         // Validate that the current mode matches the supported modes we expect.
-        if (supportedModes != UsbPort.MODE_DUAL) {
+        if ((supportedModes & UsbPort.MODE_DUAL) != UsbPort.MODE_DUAL) {
             canChangeMode = false;
             if (currentMode != 0 && currentMode != supportedModes) {
                 logAndPrint(Log.WARN, pw, "Ignoring inconsistent current mode from USB "