text: #ifndef SND_USB_MIXER_QUIRKS_H
  #define SND_USB_MIXER_QUIRKS_H
  
  int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer);
  
  void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
  			       unsigned char samplerate_id);
  
  void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
  				    int unitid);
  
  #endif /* SND_USB_MIXER_QUIRKS_H */
  
  