298 	if (subs->sync_endpoint &&  in start_endpoints()
300 		struct snd_usb_endpoint *ep = subs->sync_endpoint;  in start_endpoints()
302 		if (subs->data_endpoint->iface != subs->sync_endpoint->iface ||  in start_endpoints()
303 		    subs->data_endpoint->altsetting != subs->sync_endpoint->altsetting) {  in start_endpoints()
305 						subs->sync_endpoint->iface,  in start_endpoints()
306 						subs->sync_endpoint->altsetting);  in start_endpoints()
311 					   subs->sync_endpoint->iface,  in start_endpoints()
312 					   subs->sync_endpoint->altsetting, err);  in start_endpoints()
332 	snd_usb_endpoint_sync_pending_stop(subs->sync_endpoint);  in sync_pending_stops()
339 		snd_usb_endpoint_stop(subs->sync_endpoint);  in stop_endpoints()
480 	subs->sync_endpoint = snd_usb_add_endpoint(subs->stream->chip,  in set_sync_ep_implicit_fb_quirk()
483 	if (!subs->sync_endpoint)  in set_sync_ep_implicit_fb_quirk()
486 	subs->sync_endpoint->is_implicit_feedback = 1;  in set_sync_ep_implicit_fb_quirk()
488 	subs->data_endpoint->sync_master = subs->sync_endpoint;  in set_sync_ep_implicit_fb_quirk()
521 		subs->sync_endpoint = NULL;  in set_sync_endpoint()
581 	subs->sync_endpoint = snd_usb_add_endpoint(subs->stream->chip,  in set_sync_endpoint()
587 	if (!subs->sync_endpoint) {  in set_sync_endpoint()
593 	subs->sync_endpoint->is_implicit_feedback = implicit_fb;  in set_sync_endpoint()
595 	subs->data_endpoint->sync_master = subs->sync_endpoint;  in set_sync_endpoint()
824 	if (subs->sync_endpoint->type != SND_USB_ENDPOINT_TYPE_DATA ||  in configure_sync_endpoint()
826 		return snd_usb_endpoint_set_params(subs->sync_endpoint,  in configure_sync_endpoint()
866 	ret = snd_usb_endpoint_set_params(subs->sync_endpoint,  in configure_sync_endpoint()
898 					  subs->sync_endpoint);  in configure_endpoint()
902 	if (subs->sync_endpoint)  in configure_endpoint()
1036 		snd_usb_endpoint_deactivate(subs->sync_endpoint);  in snd_usb_hw_free()