tv/cec/2.0/IHdmiCecCallback.hal

/*
 * 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);
};