#ifndef _AUDIO_SPEAKER_API_H_ #define _AUDIO_SPEAKER_API_H_ void stop_loud_speaker(void); void start_loud_speaker(struct audio_fmt *fmt); int speaker_if_working(void); void set_speaker_gain_up(u8 value); void set_speaker_gain_down(u8 value); void switch_holwing_en(void); void switch_echo_en(void); void loud_speaker_pause(void); void loud_speaker_resume(void); #endif