sound/usb/quirks.c

95 	struct usb_host_interface *alts;
99 	alts = &iface->altsetting[0];
100 	altsd = get_iface_desc(alts);
155 	struct usb_host_interface *alts;
184 	alts = &iface->altsetting[fp->altset_idx];
185 	altsd = get_iface_desc(alts);
194 		fp->datainterval = snd_usb_parse_datainterval(chip, alts);
196 		fp->maxpacksize = le16_to_cpu(get_endpoint(alts, fp->ep_idx)->wMaxPacketSize);
220 	struct usb_host_interface *alts;
236 	alts = &iface->altsetting[1];
237 	altsd = get_iface_desc(alts);
242 	epd = get_endpoint(alts, 0);
247 	ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
249 	fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
261 				    struct usb_host_interface *alts)
270 	injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
272 	outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
293 				    struct usb_host_interface *alts)
302 		roland_desc = snd_usb_find_csint_desc(alts->extra,
303 						      alts->extralen,
317 				 struct usb_host_interface *alts)
323 	mshd = (struct usb_ms_header_descriptor *)alts->extra;
324 	if (alts->extralen < 7 ||
330 	msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
331 	if (alts->endpoint[0].extralen < 4 ||
346 	struct usb_host_interface *alts;
351 	alts = &iface->altsetting[0];
352 	altsd = get_iface_desc(alts);
357 	epd = get_endpoint(alts, 0);
364 		err = create_yamaha_midi_quirk(chip, iface, driver, alts);
369 		err = create_roland_midi_quirk(chip, iface, driver, alts);
375 	return create_std_midi_quirk(chip, iface, driver, alts);
408 	struct usb_host_interface *alts;
416 	alts = &iface->altsetting[1];
417 	altsd = get_iface_desc(alts);
453 	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
454 	fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
456 	fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);