231 	if (subs->sync_endpoint &&  in start_endpoints()
233 		struct snd_usb_endpoint *ep = subs->sync_endpoint;  in start_endpoints()
235 		if (subs->data_endpoint->iface != subs->sync_endpoint->iface ||  in start_endpoints()
236 		    subs->data_endpoint->altsetting != subs->sync_endpoint->altsetting) {  in start_endpoints()
238 						subs->sync_endpoint->iface,  in start_endpoints()
239 						subs->sync_endpoint->altsetting);  in start_endpoints()
244 					   subs->sync_endpoint->iface,  in start_endpoints()
245 					   subs->sync_endpoint->altsetting, err);  in start_endpoints()
265 	snd_usb_endpoint_sync_pending_stop(subs->sync_endpoint);  in sync_pending_stops()
272 		snd_usb_endpoint_stop(subs->sync_endpoint);  in stop_endpoints()
416 	subs->sync_endpoint = snd_usb_add_endpoint(subs->stream->chip,  in set_sync_ep_implicit_fb_quirk()
419 	if (!subs->sync_endpoint)  in set_sync_ep_implicit_fb_quirk()
422 	subs->sync_endpoint->is_implicit_feedback = 1;  in set_sync_ep_implicit_fb_quirk()
424 	subs->data_endpoint->sync_master = subs->sync_endpoint;  in set_sync_ep_implicit_fb_quirk()
457 		subs->sync_endpoint = NULL;  in set_sync_endpoint()
517 	subs->sync_endpoint = snd_usb_add_endpoint(subs->stream->chip,  in set_sync_endpoint()
523 	if (!subs->sync_endpoint) {  in set_sync_endpoint()
529 	subs->sync_endpoint->is_implicit_feedback = implicit_fb;  in set_sync_endpoint()
531 	subs->data_endpoint->sync_master = subs->sync_endpoint;  in set_sync_endpoint()
681 	if (subs->sync_endpoint->type != SND_USB_ENDPOINT_TYPE_DATA ||  in configure_sync_endpoint()
683 		return snd_usb_endpoint_set_params(subs->sync_endpoint,  in configure_sync_endpoint()
723 	ret = snd_usb_endpoint_set_params(subs->sync_endpoint,  in configure_sync_endpoint()
755 					  subs->sync_endpoint);  in configure_endpoint()
759 	if (subs->sync_endpoint)  in configure_endpoint()
893 		snd_usb_endpoint_deactivate(subs->sync_endpoint);  in snd_usb_hw_free()