/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Date Author Notes * 2019-07-31 Zero-Free first implementation */ #ifndef __DRV_SOUND_H__ #define __DRV_SOUND_H__ int rt_hw_sound_init(void); int rt_hw_mic_init(void); #endif