snd_ymfpci_pcm 252 sound/pci/ymfpci/ymfpci.h struct snd_ymfpci_pcm { snd_ymfpci_pcm 1134 sound/pci/ymfpci/ymfpci_main.c int snd_ymfpci_pcm(struct snd_ymfpci *chip, int device)