xref: /aosp_15_r20/hardware/interfaces/tv/tuner/1.0/IFrontendCallback.hal (revision 4d7e907c777eeecc4c5bd7cf640a754fac206ff7)
1*4d7e907cSAndroid Build Coastguard Worker/*
2*4d7e907cSAndroid Build Coastguard Worker * Copyright (C) 2019 The Android Open Source Project
3*4d7e907cSAndroid Build Coastguard Worker *
4*4d7e907cSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License");
5*4d7e907cSAndroid Build Coastguard Worker * you may not use this file except in compliance with the License.
6*4d7e907cSAndroid Build Coastguard Worker * You may obtain a copy of the License at
7*4d7e907cSAndroid Build Coastguard Worker *
8*4d7e907cSAndroid Build Coastguard Worker *      http://www.apache.org/licenses/LICENSE-2.0
9*4d7e907cSAndroid Build Coastguard Worker *
10*4d7e907cSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software
11*4d7e907cSAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS,
12*4d7e907cSAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*4d7e907cSAndroid Build Coastguard Worker * See the License for the specific language governing permissions and
14*4d7e907cSAndroid Build Coastguard Worker * limitations under the License.
15*4d7e907cSAndroid Build Coastguard Worker */
16*4d7e907cSAndroid Build Coastguard Worker
17*4d7e907cSAndroid Build Coastguard Workerpackage [email protected];
18*4d7e907cSAndroid Build Coastguard Worker
19*4d7e907cSAndroid Build Coastguard Workerinterface IFrontendCallback {
20*4d7e907cSAndroid Build Coastguard Worker    /**
21*4d7e907cSAndroid Build Coastguard Worker     * Notify the client that a new event happened on the frontend.
22*4d7e907cSAndroid Build Coastguard Worker     *
23*4d7e907cSAndroid Build Coastguard Worker     * @param frontendEventType the event type.
24*4d7e907cSAndroid Build Coastguard Worker     */
25*4d7e907cSAndroid Build Coastguard Worker    oneway onEvent(FrontendEventType frontendEventType);
26*4d7e907cSAndroid Build Coastguard Worker
27*4d7e907cSAndroid Build Coastguard Worker    /**
28*4d7e907cSAndroid Build Coastguard Worker     * The callback function that must be called by HAL implementation to notify
29*4d7e907cSAndroid Build Coastguard Worker     * the client of scan messages.
30*4d7e907cSAndroid Build Coastguard Worker     *
31*4d7e907cSAndroid Build Coastguard Worker     * @param type the type of scan message.
32*4d7e907cSAndroid Build Coastguard Worker     * @param message the scan message sent by HAL to the client.
33*4d7e907cSAndroid Build Coastguard Worker     */
34*4d7e907cSAndroid Build Coastguard Worker    oneway onScanMessage(FrontendScanMessageType type, FrontendScanMessage message);
35*4d7e907cSAndroid Build Coastguard Worker};
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