extern int snd_wavefront_detect_irq (snd_wavefront_t *dev) ;
extern int snd_wavefront_check_irq (snd_wavefront_t *dev, int irq);
extern int snd_wavefront_restart (snd_wavefront_t *dev);
extern int snd_wavefront_detect_irq (snd_wavefront_t *dev) ;
extern int snd_wavefront_check_irq (snd_wavefront_t *dev, int irq);
extern int snd_wavefront_restart (snd_wavefront_t *dev);