int snd_cs46xx_pcm_rear(cs46xx_t *chip, int device, snd_pcm_t **rpcm);
int snd_cs46xx_pcm_iec958(cs46xx_t *chip, int device, snd_pcm_t **rpcm);
int snd_cs46xx_pcm_center_lfe(cs46xx_t *chip, int device, snd_pcm_t **rpcm);
-int snd_cs46xx_mixer(cs46xx_t *chip);
+int snd_cs46xx_mixer(cs46xx_t *chip, int spdif_device);
int snd_cs46xx_midi(cs46xx_t *chip, int device, snd_rawmidi_t **rmidi);
int snd_cs46xx_start_dsp(cs46xx_t *chip);
int snd_cs46xx_gameport(cs46xx_t *chip);