SND_USB_ENDPOINT_TYPE_SYNC
case SND_USB_ENDPOINT_TYPE_SYNC:
case SND_USB_ENDPOINT_TYPE_SYNC:
case SND_USB_ENDPOINT_TYPE_SYNC:
if (ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
SND_USB_ENDPOINT_TYPE_SYNC);
ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
SND_USB_ENDPOINT_TYPE_SYNC);