1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.hardware.usb@1.2; 18 19 import android.hardware.usb@1.1::IUsbCallback; 20 import android.hardware.usb@1.0::Status; 21 22 /** 23 * Callback object used for all the IUsb async methods which expects a result. 24 * Caller is expected to register the callback object using setCallback method 25 * to receive updates on the PortStatus. 26 */ 27 interface IUsbCallback extends @1.1::IUsbCallback { 28 /** 29 * Used to convey the current port status to the caller. 30 * Must be called either when PortState changes due to the port partner or 31 * when caller requested for the PortStatus update through queryPortStatus. 32 * 33 * @param currentPortStatus vector object of current status(PortStatus 34 * of all the typeC ports in the device. 35 * @param retval SUCCESS when the required information was enquired form 36 * kernel and the PortStatus_1_2 object was built. 37 * ERROR otherwise. 38 */ 39 oneway notifyPortStatusChange_1_2(vec<PortStatus> currentPortStatus, 40 @1.0::Status retval); 41 }; 42 43
