80 static struct usb_module *usbmod = NULL;  variable
96     usbmod = calloc(1, sizeof(struct usb_module));  in usb_alloc()
176              usbmod->usb_card);  in usb_get_capability()
342     usbmod->adev = (struct audio_device*)adev;  in usb_playback_entry()
346     pthread_mutex_lock(&usbmod->usb_playback_lock);  in usb_playback_entry()
348             &usbmod->channels_playback, &usbmod->sample_rate_playback);  in usb_playback_entry()
352         pthread_mutex_unlock(&usbmod->usb_playback_lock);  in usb_playback_entry()
358     pcm_config_usbmod.channels = usbmod->channels_playback;  in usb_playback_entry()
359     pcm_config_usbmod.rate = usbmod->sample_rate_playback;  in usb_playback_entry()
364     usbmod->usb_pcm_playback_handle = pcm_open(usbmod->usb_card, \  in usb_playback_entry()
365                                     usbmod->usb_device_id, PCM_OUT |  in usb_playback_entry()
368     if ((usbmod->usb_pcm_playback_handle \  in usb_playback_entry()
369         && !pcm_is_ready(usbmod->usb_pcm_playback_handle))  in usb_playback_entry()
370         || (!usbmod->is_playback_running)) {  in usb_playback_entry()
372                pcm_get_error(usbmod->usb_pcm_playback_handle));  in usb_playback_entry()
373         pcm_close(usbmod->usb_pcm_playback_handle);  in usb_playback_entry()
374         usbmod->usb_pcm_playback_handle = NULL;  in usb_playback_entry()
375         pthread_mutex_unlock(&usbmod->usb_playback_lock);  in usb_playback_entry()
382     pcm_config_usbmod.rate = usbmod->sample_rate_playback;  in usb_playback_entry()
383     pcm_config_usbmod.channels = usbmod->channels_playback;  in usb_playback_entry()
385     usbmod->proxy_device_id = AFE_PROXY_PLAYBACK_DEVICE;  in usb_playback_entry()
391         usbmod->proxy_pcm_playback_handle = pcm_open(usbmod->proxy_card,  in usb_playback_entry()
392                                             usbmod->proxy_device_id, PCM_IN |  in usb_playback_entry()
394         if(usbmod->proxy_pcm_playback_handle  in usb_playback_entry()
395             && !pcm_is_ready(usbmod->proxy_pcm_playback_handle)){  in usb_playback_entry()
396                      pcm_close(usbmod->proxy_pcm_playback_handle);  in usb_playback_entry()
407     if ((usbmod->proxy_pcm_playback_handle  in usb_playback_entry()
408         && !pcm_is_ready(usbmod->proxy_pcm_playback_handle))  in usb_playback_entry()
409         || (!usbmod->is_playback_running)) {  in usb_playback_entry()
411                pcm_get_error(usbmod->proxy_pcm_playback_handle));  in usb_playback_entry()
412         pcm_close(usbmod->proxy_pcm_playback_handle);  in usb_playback_entry()
413         usbmod->proxy_pcm_playback_handle = NULL;  in usb_playback_entry()
414         pthread_mutex_unlock(&usbmod->usb_playback_lock);  in usb_playback_entry()
418     pthread_mutex_unlock(&usbmod->usb_playback_lock);  in usb_playback_entry()
423     while (usbmod->is_playback_running) {  in usb_playback_entry()
425         ret = pcm_mmap_read(usbmod->proxy_pcm_playback_handle,  in usb_playback_entry()
428         ret = pcm_mmap_write(usbmod->usb_pcm_playback_handle,  in usb_playback_entry()
430         if(!usbmod->is_playback_running)  in usb_playback_entry()
444     usbmod->is_playback_running = true;  in usb_playback_launcher()
449         usbmod->is_playback_running = false;  in usb_playback_launcher()
461     usbmod->adev = (struct audio_device*)adev;  in usb_record_entry()
465     pthread_mutex_lock(&usbmod->usb_record_lock);  in usb_record_entry()
467             &usbmod->channels_record, &usbmod->sample_rate_record);  in usb_record_entry()
471         pthread_mutex_unlock(&usbmod->usb_record_lock);  in usb_record_entry()
477     pcm_config_usbmod.channels = usbmod->channels_record;  in usb_record_entry()
478     pcm_config_usbmod.rate = usbmod->sample_rate_record;  in usb_record_entry()
483     usbmod->usb_pcm_record_handle = pcm_open(usbmod->usb_card, \  in usb_record_entry()
484                                     usbmod->usb_device_id, PCM_IN |  in usb_record_entry()
487     if ((usbmod->usb_pcm_record_handle \  in usb_record_entry()
488         && !pcm_is_ready(usbmod->usb_pcm_record_handle))  in usb_record_entry()
489         || (!usbmod->is_record_running)) {  in usb_record_entry()
491                pcm_get_error(usbmod->usb_pcm_record_handle));  in usb_record_entry()
492         pcm_close(usbmod->usb_pcm_record_handle);  in usb_record_entry()
493         usbmod->usb_pcm_record_handle = NULL;  in usb_record_entry()
494         pthread_mutex_unlock(&usbmod->usb_record_lock);  in usb_record_entry()
501     pcm_config_usbmod.rate = usbmod->sample_rate_record;  in usb_record_entry()
502     pcm_config_usbmod.channels = usbmod->channels_record;  in usb_record_entry()
504     usbmod->proxy_device_id = AFE_PROXY_CAPTURE_DEVICE;  in usb_record_entry()
510         usbmod->proxy_pcm_record_handle = pcm_open(usbmod->proxy_card,  in usb_record_entry()
511                                             usbmod->proxy_device_id, PCM_OUT |  in usb_record_entry()
513         if(usbmod->proxy_pcm_record_handle  in usb_record_entry()
514             && !pcm_is_ready(usbmod->proxy_pcm_record_handle)){  in usb_record_entry()
515                      pcm_close(usbmod->proxy_pcm_record_handle);  in usb_record_entry()
525     if ((usbmod->proxy_pcm_record_handle  in usb_record_entry()
526         && !pcm_is_ready(usbmod->proxy_pcm_record_handle))  in usb_record_entry()
527         || (!usbmod->is_record_running)) {  in usb_record_entry()
529                pcm_get_error(usbmod->proxy_pcm_record_handle));  in usb_record_entry()
530         pcm_close(usbmod->proxy_pcm_record_handle);  in usb_record_entry()
531         usbmod->proxy_pcm_record_handle = NULL;  in usb_record_entry()
532         pthread_mutex_unlock(&usbmod->usb_record_lock);  in usb_record_entry()
536     pthread_mutex_unlock(&usbmod->usb_record_lock);  in usb_record_entry()
539     while (usbmod->is_record_running) {  in usb_record_entry()
541         ret = pcm_mmap_read(usbmod->usb_pcm_record_handle,  in usb_record_entry()
544         ret = pcm_mmap_write(usbmod->proxy_pcm_record_handle,  in usb_record_entry()
546         if(!usbmod->is_record_running)  in usb_record_entry()
560     usbmod->is_record_running = true;  in usb_capture_launcher()
565         usbmod->is_record_running = false;  in usb_capture_launcher()
574     usbmod->is_playback_running = false;  in audio_extn_usb_init()
575     usbmod->is_record_running = false;  in audio_extn_usb_init()
577     usbmod->usb_pcm_playback_handle = NULL;  in audio_extn_usb_init()
578     usbmod->proxy_pcm_playback_handle = NULL;  in audio_extn_usb_init()
580     usbmod->usb_pcm_record_handle = NULL;  in audio_extn_usb_init()
581     usbmod->proxy_pcm_record_handle = NULL;  in audio_extn_usb_init()
583     usbmod->usb_card = 1;  in audio_extn_usb_init()
584     usbmod->usb_device_id = 0;  in audio_extn_usb_init()
585     usbmod->proxy_card = 0;  in audio_extn_usb_init()
586     usbmod->proxy_device_id = AFE_PROXY_PLAYBACK_DEVICE;  in audio_extn_usb_init()
587     usbmod->adev = (struct audio_device*)adev;  in audio_extn_usb_init()
589      pthread_mutex_init(&usbmod->usb_playback_lock,  in audio_extn_usb_init()
591      pthread_mutex_init(&usbmod->usb_record_lock,  in audio_extn_usb_init()
597     if (NULL != usbmod){  in audio_extn_usb_deinit()
598         free(usbmod);  in audio_extn_usb_deinit()
599         usbmod = NULL;  in audio_extn_usb_deinit()
606     if (sndcard_idx == usbmod->usb_card) {  in audio_extn_usb_set_proxy_sound_card()
607         usbmod->usb_card = usbmod->proxy_card;  in audio_extn_usb_set_proxy_sound_card()
610     usbmod->proxy_card = sndcard_idx;  in audio_extn_usb_set_proxy_sound_card()
617     if (NULL == usbmod){  in audio_extn_usb_start_playback()
622     if (usbmod->is_playback_running){  in audio_extn_usb_start_playback()
628     ret = pthread_create(&usbmod->usb_playback_thr, NULL,  in audio_extn_usb_start_playback()
640     usbmod->is_playback_running = false;  in audio_extn_usb_stop_playback()
641     if (NULL != usbmod->proxy_pcm_playback_handle)  in audio_extn_usb_stop_playback()
642         pcm_stop(usbmod->proxy_pcm_playback_handle);  in audio_extn_usb_stop_playback()
644     if (NULL != usbmod->usb_pcm_playback_handle)  in audio_extn_usb_stop_playback()
645         pcm_stop(usbmod->usb_pcm_playback_handle);  in audio_extn_usb_stop_playback()
647     if(usbmod->usb_playback_thr) {  in audio_extn_usb_stop_playback()
648         ret = pthread_join(usbmod->usb_playback_thr,NULL);  in audio_extn_usb_stop_playback()
650         usbmod->usb_playback_thr = (pthread_t)NULL;  in audio_extn_usb_stop_playback()
653     pthread_mutex_lock(&usbmod->usb_playback_lock);  in audio_extn_usb_stop_playback()
654     if (NULL != usbmod->usb_pcm_playback_handle){  in audio_extn_usb_stop_playback()
655         pcm_close(usbmod->usb_pcm_playback_handle);  in audio_extn_usb_stop_playback()
656         usbmod->usb_pcm_playback_handle = NULL;  in audio_extn_usb_stop_playback()
659     if (NULL != usbmod->proxy_pcm_playback_handle){  in audio_extn_usb_stop_playback()
660         pcm_close(usbmod->proxy_pcm_playback_handle);  in audio_extn_usb_stop_playback()
661         usbmod->proxy_pcm_playback_handle = NULL;  in audio_extn_usb_stop_playback()
663     pthread_mutex_unlock(&usbmod->usb_playback_lock);  in audio_extn_usb_stop_playback()
672     if (NULL == usbmod){  in audio_extn_usb_start_capture()
677     if (usbmod->is_record_running){  in audio_extn_usb_start_capture()
683     ret = pthread_create(&usbmod->usb_record_thr, NULL,  in audio_extn_usb_start_capture()
695     usbmod->is_record_running = false;  in audio_extn_usb_stop_capture()
696     if (NULL != usbmod->proxy_pcm_record_handle)  in audio_extn_usb_stop_capture()
697         pcm_stop(usbmod->proxy_pcm_record_handle);  in audio_extn_usb_stop_capture()
699     if (NULL != usbmod->usb_pcm_record_handle)  in audio_extn_usb_stop_capture()
700         pcm_stop(usbmod->usb_pcm_record_handle);  in audio_extn_usb_stop_capture()
702     if(usbmod->usb_record_thr) {  in audio_extn_usb_stop_capture()
703         ret = pthread_join(usbmod->usb_record_thr,NULL);  in audio_extn_usb_stop_capture()
705         usbmod->usb_record_thr = (pthread_t)NULL;  in audio_extn_usb_stop_capture()
708     pthread_mutex_lock(&usbmod->usb_record_lock);  in audio_extn_usb_stop_capture()
709     if (NULL != usbmod->usb_pcm_record_handle){  in audio_extn_usb_stop_capture()
710         pcm_close(usbmod->usb_pcm_record_handle);  in audio_extn_usb_stop_capture()
711         usbmod->usb_pcm_record_handle = NULL;  in audio_extn_usb_stop_capture()
714     if (NULL != usbmod->proxy_pcm_record_handle){  in audio_extn_usb_stop_capture()
715         pcm_close(usbmod->proxy_pcm_record_handle);  in audio_extn_usb_stop_capture()
716         usbmod->proxy_pcm_record_handle = NULL;  in audio_extn_usb_stop_capture()
718     pthread_mutex_unlock(&usbmod->usb_record_lock);  in audio_extn_usb_stop_capture()
725     if( usbmod->is_record_running || usbmod->is_playback_running)  in audio_extn_usb_is_proxy_inuse()