153 static int init_pitch_v1(struct snd_usb_audio *chip, int iface,  in init_pitch_v1()  argument
172 			      iface, ep);  in init_pitch_v1()
179 static int init_pitch_v2(struct snd_usb_audio *chip, int iface,  in init_pitch_v2()  argument
193 			      iface, fmt->altsetting);  in init_pitch_v2()
203 int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface,  in snd_usb_init_pitch()  argument
214 		return init_pitch_v1(chip, iface, alts, fmt);  in snd_usb_init_pitch()
217 		return init_pitch_v2(chip, iface, alts, fmt);  in snd_usb_init_pitch()
245 		if (subs->data_endpoint->iface != subs->sync_endpoint->iface ||  in start_endpoints()
248 						subs->sync_endpoint->iface,  in start_endpoints()
254 					   subs->sync_endpoint->iface,  in start_endpoints()
292 	struct usb_interface *iface;  in search_roland_implicit_fb()  local
296 	iface = usb_ifnum_to_if(dev, ifnum);  in search_roland_implicit_fb()
297 	if (!iface || iface->num_altsetting < altsetting + 1)  in search_roland_implicit_fb()
299 	*alts = &iface->altsetting[altsetting];  in search_roland_implicit_fb()
322 	struct usb_interface *iface;  in set_sync_ep_implicit_fb_quirk()  local
333 		iface = usb_ifnum_to_if(dev, 3);  in set_sync_ep_implicit_fb_quirk()
335 		if (!iface || iface->num_altsetting == 0)  in set_sync_ep_implicit_fb_quirk()
338 		alts = &iface->altsetting[1];  in set_sync_ep_implicit_fb_quirk()
344 		iface = usb_ifnum_to_if(dev, 2);  in set_sync_ep_implicit_fb_quirk()
346 		if (!iface || iface->num_altsetting == 0)  in set_sync_ep_implicit_fb_quirk()
349 		alts = &iface->altsetting[1];  in set_sync_ep_implicit_fb_quirk()
437 			   fmt->iface, fmt->altsetting,  in set_sync_endpoint()
451 			   fmt->iface, fmt->altsetting,  in set_sync_endpoint()
485 	struct usb_interface *iface;  in set_format()  local
488 	iface = usb_ifnum_to_if(dev, fmt->iface);  in set_format()
489 	if (WARN_ON(!iface))  in set_format()
491 	alts = &iface->altsetting[fmt->altset_idx];  in set_format()
500 	if (subs->interface >= 0 && subs->interface != fmt->iface) {  in set_format()
505 				fmt->iface, fmt->altsetting, err);  in set_format()
513 	if (subs->interface != fmt->iface ||  in set_format()
520 		err = usb_set_interface(dev, fmt->iface, fmt->altsetting);  in set_format()
524 				fmt->iface, fmt->altsetting, err);  in set_format()
528 			fmt->iface, fmt->altsetting);  in set_format()
529 		subs->interface = fmt->iface;  in set_format()
546 	err = snd_usb_init_pitch(subs->stream->chip, fmt->iface, alts, fmt);  in set_format()
748 	subs->interface = fmt->iface;  in snd_usb_hw_params()
786 	struct usb_interface *iface;  in snd_usb_pcm_prepare()  local
809 	iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface);  in snd_usb_pcm_prepare()
810 	alts = &iface->altsetting[subs->cur_audiofmt->altset_idx];  in snd_usb_pcm_prepare()
812 				       subs->cur_audiofmt->iface,  in snd_usb_pcm_prepare()