- int snd_hwdep_new(struct snd_card * card, char * id, int device, struct snd_hwdep ** rhwdep);
- the card instance
- the id string
- the device index (zero-based)
- the pointer to store the new hwdep instance
Creates a new hwdep instance with the given index on the card. The callbacks (hwdep->ops) must be set on the returned instance after this call manually by the caller.
Zero if successful, or a negative error code on failure.