184         pthread_mutex_init(&aec->lock, NULL);  in init_aec_interface()
193     pthread_mutex_lock(&aec->lock);  in release_aec_interface()
196     pthread_mutex_unlock(&aec->lock);  in release_aec_interface()
251     pthread_mutex_lock(&aec->lock);  in init_aec_reference_config()
280     pthread_mutex_unlock(&aec->lock);  in init_aec_reference_config()
291     pthread_mutex_lock(&aec->lock);  in destroy_aec_reference_config()
293     pthread_mutex_unlock(&aec->lock);  in destroy_aec_reference_config()
456     pthread_mutex_lock(&aec->lock);  in init_aec_mic_config()
517     pthread_mutex_unlock(&aec->lock);  in init_aec_mic_config()
529     pthread_mutex_unlock(&aec->lock);  in init_aec_mic_config()
536     pthread_mutex_lock(&aec->lock);  in aec_set_spk_running()
538     pthread_mutex_unlock(&aec->lock);  in aec_set_spk_running()
544     pthread_mutex_lock(&aec->lock);  in aec_get_spk_running()
546     pthread_mutex_unlock(&aec->lock);  in aec_get_spk_running()
558     pthread_mutex_lock(&aec->lock);  in destroy_aec_mic_config()
560     pthread_mutex_unlock(&aec->lock);  in destroy_aec_mic_config()