-/*
- * Create a stream for an Edirol UA-1000 interface.
- */
-static int create_ua1000_quirk(snd_usb_audio_t *chip, struct usb_interface *iface)
-{
- static const struct audioformat ua1000_format = {
- .format = SNDRV_PCM_FORMAT_S32_LE,
- .fmt_type = USB_FORMAT_TYPE_I,
- .altsetting = 1,
- .altset_idx = 1,
- .attributes = 0,
- .rates = SNDRV_PCM_RATE_CONTINUOUS,
- };
- struct usb_host_interface *alts;
- struct usb_interface_descriptor *altsd;
- struct audioformat *fp;
- int stream, err;
-
- if (iface->num_altsetting != 2)
- return -ENXIO;
- alts = &iface->altsetting[1];
- altsd = get_iface_desc(alts);
- if (alts->extralen != 11 || alts->extra[1] != CS_AUDIO_INTERFACE ||
- altsd->bNumEndpoints != 1)
- return -ENXIO;
-
- fp = kmalloc(sizeof(*fp), GFP_KERNEL);
- if (!fp)
- return -ENOMEM;
- memcpy(fp, &ua1000_format, sizeof(*fp));
-
- fp->channels = alts->extra[4];
- fp->iface = altsd->bInterfaceNumber;
- fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
- fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
- fp->maxpacksize = get_endpoint(alts, 0)->wMaxPacketSize;
- fp->rate_max = fp->rate_min = combine_triple(&alts->extra[8]);
-
- stream = (fp->endpoint & USB_DIR_IN)
- ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
- err = add_audio_endpoint(chip, stream, fp);
- if (err < 0) {
- kfree(fp);
- return err;
- }
- /* FIXME: playback must be synchronized to capture */
- usb_set_interface(chip->dev, fp->iface, 0);
- return 0;
-}
-