1 /* 2 * Copyright 2021 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 17 package android.hardware.soundtrigger3; 18 19 /** 20 * SoundTrigger HAL callback interface for events not associated with a particular model. 21 */ 22 @VintfStability 23 interface ISoundTriggerHwGlobalCallback { 24 /** 25 * Callback method called by the HAL whenever internal conditions have been made available, such 26 * that a call that would previously have failed with an -EBUSY status may now succeed. 27 * There is no guarantee that any call would succeed following this event. It is merely a hint 28 * to the client that it may retry. 29 * Conversely, any call that have failed previously with a 30 * ServiceSpecificException(RESOURCE_CONTENTION) is guaranteed to fail again if retried, until 31 * this callback is delivered. 32 */ onResourcesAvailable()33 void onResourcesAvailable(); 34 } 35