platform_hardware_interfaces/tv/cec/2.0/IHdmiCecCallback.hal
Henry Fang 2bb37160b2 Update CEC hal to 2.0
cec@2.0 spec was published with HDMI 2.0b in March 2016.
it added a few important message types, and
also require new mechanism to build and maintain device information.
Test: manual
Bug: 122853595

Change-Id: I00819829573dc260b043f5b14a15c29bc2a119b0
2019-01-22 17:45:47 -08:00

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1.5 KiB
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/*
* Copyright (C) 2019 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.tv.cec@2.0;
interface IHdmiCecCallback {
/**
* The callback function that must be called by HAL implementation to notify
* the system of new CEC message arrival.
*/
oneway onCecMessage(CecMessage message);
/**
* The callback function that must be called by HAL implementation to notify
* the system of new hotplug event.
*/
oneway onHotplugEvent(HotplugEvent event);
/**
* The callback function must be called by HAL implementation to notify the
* system whenever CEC device information of CEC network change.
* HAL shall be ready for readDeviceInfo call before invoke this callback.
* This event is triggered by topology change of whole CEC network. It's
* different from HotplugEvent which is triggered between devices which are
* connected directly through HDMI cable.
*/
oneway onTopologyEvent(CecTopologyEvent event);
};