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()
416 			   fmt->iface, fmt->altsetting,  in set_sync_endpoint()
428 			   fmt->iface, fmt->altsetting,  in set_sync_endpoint()
457 	struct usb_interface *iface;  in set_format()  local
460 	iface = usb_ifnum_to_if(dev, fmt->iface);  in set_format()
461 	if (WARN_ON(!iface))  in set_format()
463 	alts = &iface->altsetting[fmt->altset_idx];  in set_format()
472 	if (subs->interface >= 0 && subs->interface != fmt->iface) {  in set_format()
477 				fmt->iface, fmt->altsetting, err);  in set_format()
485 	if (subs->interface != fmt->iface ||  in set_format()
492 		err = usb_set_interface(dev, fmt->iface, fmt->altsetting);  in set_format()
496 				fmt->iface, fmt->altsetting, err);  in set_format()
500 			fmt->iface, fmt->altsetting);  in set_format()
501 		subs->interface = fmt->iface;  in set_format()
518 	err = snd_usb_init_pitch(subs->stream->chip, fmt->iface, alts, fmt);  in set_format()
720 	subs->interface = fmt->iface;  in snd_usb_hw_params()
758 	struct usb_interface *iface;  in snd_usb_pcm_prepare()  local
781 	iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface);  in snd_usb_pcm_prepare()
782 	alts = &iface->altsetting[subs->cur_audiofmt->altset_idx];  in snd_usb_pcm_prepare()
784 				       subs->cur_audiofmt->iface,  in snd_usb_pcm_prepare()