| /* |
| * Copyright (c) 2017-2018 The LineageOS Project |
| * Copyright (c) 2017 Balázs Triszka <balika011@protonmail.ch> |
| * |
| * 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. |
| */ |
| |
| #ifndef ULTRASOUND_H |
| #define ULTRASOUND_H |
| |
| #ifndef ELLIPTIC_ULTRASOUND_ENABLED |
| #define us_init(adev) (0) |
| #define us_deinit() (0) |
| #define us_start() (0) |
| #define us_stop() (0) |
| #else |
| int us_init(struct audio_device *adev); |
| void us_deinit(void); |
| int us_start(void); |
| int us_stop(void); |
| #endif |
| |
| #endif |