54 static struct sound_trigger_audio_device *st_dev;  variable
62            list_empty(&st_dev->st_ses_list), capture_handle);  in get_sound_trigger_info()
63     list_for_each(node, &st_dev->st_ses_list) {  in get_sound_trigger_info()
77     if (!st_dev)  in audio_hw_call_back()
80     pthread_mutex_lock(&st_dev->lock);  in audio_hw_call_back()
97         list_add_tail(&st_dev->st_ses_list, &st_ses_info->list);  in audio_hw_call_back()
121     pthread_mutex_unlock(&st_dev->lock);  in audio_hw_call_back()
132     if (!st_dev)  in audio_extn_sound_trigger_read()
142     pthread_mutex_lock(&st_dev->lock);  in audio_extn_sound_trigger_read()
144     pthread_mutex_unlock(&st_dev->lock);  in audio_extn_sound_trigger_read()
149         ret = st_dev->st_callback(AUDIO_EVENT_READ_SAMPLES, &event);  in audio_extn_sound_trigger_read()
170     if (!st_dev || !in)  in audio_extn_sound_trigger_stop_lab()
173     pthread_mutex_lock(&st_dev->lock);  in audio_extn_sound_trigger_stop_lab()
175     pthread_mutex_unlock(&st_dev->lock);  in audio_extn_sound_trigger_stop_lab()
179         st_dev->st_callback(AUDIO_EVENT_STOP_LAB, &event);  in audio_extn_sound_trigger_stop_lab()
187     if (!st_dev || !in)  in audio_extn_sound_trigger_check_and_get_session()
190     pthread_mutex_lock(&st_dev->lock);  in audio_extn_sound_trigger_check_and_get_session()
193           list_empty(&st_dev->st_ses_list), in->capture_handle);  in audio_extn_sound_trigger_check_and_get_session()
194     list_for_each(node, &st_dev->st_ses_list) {  in audio_extn_sound_trigger_check_and_get_session()
206     pthread_mutex_unlock(&st_dev->lock);  in audio_extn_sound_trigger_check_and_get_session()
214     if (!st_dev)  in audio_extn_sound_trigger_update_device_status()
236             st_dev->st_callback(AUDIO_EVENT_CAPTURE_DEVICE_INACTIVE, NULL);  in audio_extn_sound_trigger_update_device_status()
239             st_dev->st_callback(AUDIO_EVENT_CAPTURE_DEVICE_ACTIVE, NULL);  in audio_extn_sound_trigger_update_device_status()
255     if(!st_dev || !params) {  in audio_extn_sound_trigger_set_parameters()
265             st_dev->st_callback(AUDIO_EVENT_SSR, &event);  in audio_extn_sound_trigger_set_parameters()
269             st_dev->st_callback(AUDIO_EVENT_SSR, &event);  in audio_extn_sound_trigger_set_parameters()
279             st_dev->st_callback(AUDIO_EVENT_SSR, &event);  in audio_extn_sound_trigger_set_parameters()
283             st_dev->st_callback(AUDIO_EVENT_SSR, &event);  in audio_extn_sound_trigger_set_parameters()
292         st_dev->st_callback(AUDIO_EVENT_NUM_ST_SESSIONS, &event);  in audio_extn_sound_trigger_set_parameters()
304     st_dev = (struct sound_trigger_audio_device*)  in audio_extn_sound_trigger_init()
306     if (!st_dev) {  in audio_extn_sound_trigger_init()
315     st_dev->lib_handle = dlopen(sound_trigger_lib, RTLD_NOW);  in audio_extn_sound_trigger_init()
317     if (st_dev->lib_handle == NULL) {  in audio_extn_sound_trigger_init()
325     st_dev->st_callback = (sound_trigger_hw_call_back_t)  in audio_extn_sound_trigger_init()
326               dlsym(st_dev->lib_handle, "sound_trigger_hw_call_back");  in audio_extn_sound_trigger_init()
328     if (st_dev->st_callback == NULL) {  in audio_extn_sound_trigger_init()
334     st_dev->adev = adev;  in audio_extn_sound_trigger_init()
335     list_init(&st_dev->st_ses_list);  in audio_extn_sound_trigger_init()
340     if (st_dev->lib_handle)  in audio_extn_sound_trigger_init()
341         dlclose(st_dev->lib_handle);  in audio_extn_sound_trigger_init()
342     free(st_dev);  in audio_extn_sound_trigger_init()
343     st_dev = NULL;  in audio_extn_sound_trigger_init()
351     if (st_dev && (st_dev->adev == adev) && st_dev->lib_handle) {  in audio_extn_sound_trigger_deinit()
352         dlclose(st_dev->lib_handle);  in audio_extn_sound_trigger_deinit()
353         free(st_dev);  in audio_extn_sound_trigger_deinit()
354         st_dev = NULL;  in audio_extn_sound_trigger_deinit()