1/* 2 * Copyright (C) 2017 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 17package android.hardware.usb.gadget@1.0; 18 19interface IUsbGadgetCallback { 20 /** 21 * Callback function used to propagate the status of configuration 22 * switch to the caller. 23 * 24 * @param functions list of functions defined by GadgetFunction 25 * included in the current USB gadget composition. 26 * @param status SUCCESS when the functions are applied. 27 * FUNCTIONS_NOT_SUPPORTED when the configuration is 28 * not supported. 29 * ERROR otherwise. 30 */ 31 oneway setCurrentUsbFunctionsCb(bitfield<GadgetFunction> functions, 32 Status status); 33 34 /** 35 * Callback function used to propagate the current USB gadget 36 * configuration. 37 * @param functions list of functions defined by GadgetFunction 38 * included in the current USB gadget composition. 39 * @param status FUNCTIONS_APPLIED when list of functions have been 40 * applied. 41 * FUNCTIONS_NOT_APPLIED when the functions have not 42 * been applied. 43 * ERROR otherwise. 44 */ 45 oneway getCurrentUsbFunctionsCb(bitfield<GadgetFunction> functions, 46 Status status); 47}; 48