usb/1.2/IUsbCallback.hal


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hardware.usb@1.2;

import android.hardware.usb@1.1::IUsbCallback;
import android.hardware.usb@1.0::Status;

/**
 * Callback object used for all the IUsb async methods which expects a result.
 * Caller is expected to register the callback object using setCallback method
 * to receive updates on the PortStatus.
 */
interface IUsbCallback extends @1.1::IUsbCallback {
    /**
     * Used to convey the current port status to the caller.
     * Must be called either when PortState changes due to the port partner or
     * when caller requested for the PortStatus update through queryPortStatus.
     *
     * @param currentPortStatus vector object of current status(PortStatus
     * of all the typeC ports in the device.
     * @param retval SUCCESS when the required information was enquired form
     *               kernel and the PortStatus_1_2 object was built.
     *               ERROR otherwise.
     */
    oneway notifyPortStatusChange_1_2(vec<PortStatus> currentPortStatus,
        @1.0::Status retval);
};