Merge changes from topic "usb_gadget_reset"

* changes:
  Add svc usb resetUsbGadget method
  Support USB Gadget V1.1 HAL

2 files changed, 42 insertions, 0 deletions

diff --git a/services/usb/java/com/android/server/usb/UsbDeviceManager.java b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
index 9f3b07b951be..6407ec76958e 100644
--- a/services/usb/java/com/android/server/usb/UsbDeviceManager.java
+++ b/services/usb/java/com/android/server/usb/UsbDeviceManager.java
@@ -161,6 +161,7 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
     private static final int MSG_GET_CURRENT_USB_FUNCTIONS = 16;
     private static final int MSG_FUNCTION_SWITCH_TIMEOUT = 17;
     private static final int MSG_GADGET_HAL_REGISTERED = 18;
+    private static final int MSG_RESET_USB_GADGET = 19;
 
     private static final int AUDIO_MODE_SOURCE = 1;
 
@@ -1846,6 +1847,23 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
                         }
                     }
                     break;
+                case MSG_RESET_USB_GADGET:
+                    synchronized (mGadgetProxyLock) {
+                        if (mGadgetProxy == null) {
+                            Slog.e(TAG, "reset Usb Gadget mGadgetProxy is null");
+                            break;
+                        }
+
+                        try {
+                            android.hardware.usb.gadget.V1_1.IUsbGadget gadgetProxy =
+                                    android.hardware.usb.gadget.V1_1.IUsbGadget
+                                            .castFrom(mGadgetProxy);
+                            gadgetProxy.reset();
+                        } catch (RemoteException e) {
+                            Slog.e(TAG, "reset Usb Gadget failed", e);
+                        }
+                    }
+                    break;
                 default:
                     super.handleMessage(msg);
             }
@@ -2054,6 +2072,17 @@ public class UsbDeviceManager implements ActivityTaskManagerInternal.ScreenObser
         mHandler.sendMessage(MSG_SET_SCREEN_UNLOCKED_FUNCTIONS, functions);
     }
 
+    /**
+     * Resets the USB Gadget.
+     */
+    public void resetUsbGadget() {
+        if (DEBUG) {
+            Slog.d(TAG, "reset Usb Gadget");
+        }
+
+        mHandler.sendMessage(MSG_RESET_USB_GADGET, null);
+    }
+
     private void onAdbEnabled(boolean enabled) {
         mHandler.sendMessage(MSG_ENABLE_ADB, enabled);
     }
diff --git a/services/usb/java/com/android/server/usb/UsbService.java b/services/usb/java/com/android/server/usb/UsbService.java
index 0a03f14b5e6b..61f2c50ccecf 100644
--- a/services/usb/java/com/android/server/usb/UsbService.java
+++ b/services/usb/java/com/android/server/usb/UsbService.java
@@ -638,6 +638,19 @@ public class UsbService extends IUsbManager.Stub {
     }
 
     @Override
+    public void resetUsbGadget() {
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);
+        Preconditions.checkNotNull(mDeviceManager, "DeviceManager must not be null");
+
+        final long ident = Binder.clearCallingIdentity();
+        try {
+            mDeviceManager.resetUsbGadget();
+        } finally {
+            Binder.restoreCallingIdentity(ident);
+        }
+    }
+
+    @Override
     public List<ParcelableUsbPort> getPorts() {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USB, null);