#ifndef __USBAUDIO_QUIRKS_H
  #define __USBAUDIO_QUIRKS_H
  
  int snd_usb_create_quirk(struct snd_usb_audio *chip,
  			 struct usb_interface *iface,
  			 struct usb_driver *driver,
  			 const struct snd_usb_audio_quirk *quirk);
  
  int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
  				  int iface,
  				  int altno);
  
  int snd_usb_apply_boot_quirk(struct usb_device *dev,
  			     struct usb_interface *intf,
  			     const struct snd_usb_audio_quirk *quirk);
  
  void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
  			      struct audioformat *fmt);
  
  int snd_usb_is_big_endian_format(struct snd_usb_audio *chip,
  				 struct audioformat *fp);
  
  #endif /* __USBAUDIO_QUIRKS_H */