snd_ymfpci_pcm_4ch 383 include/sound/ymfpci.h int snd_ymfpci_pcm_4ch(struct snd_ymfpci *chip, int device, struct snd_pcm **rpcm); snd_ymfpci_pcm_4ch 289 sound/pci/ymfpci/ymfpci.c if ((err = snd_ymfpci_pcm_4ch(chip, 2, NULL)) < 0) {