extern const struct dev_pm_ops snd_ymfpci_pm;
-int snd_ymfpci_pcm(struct snd_ymfpci *chip, int device, struct snd_pcm **rpcm);
-int snd_ymfpci_pcm2(struct snd_ymfpci *chip, int device, struct snd_pcm **rpcm);
-int snd_ymfpci_pcm_spdif(struct snd_ymfpci *chip, int device, struct snd_pcm **rpcm);
-int snd_ymfpci_pcm_4ch(struct snd_ymfpci *chip, int device, struct snd_pcm **rpcm);
+int snd_ymfpci_pcm(struct snd_ymfpci *chip, int device);
+int snd_ymfpci_pcm2(struct snd_ymfpci *chip, int device);
+int snd_ymfpci_pcm_spdif(struct snd_ymfpci *chip, int device);
+int snd_ymfpci_pcm_4ch(struct snd_ymfpci *chip, int device);
int snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch);
int snd_ymfpci_timer(struct snd_ymfpci *chip, int device);