snd_trident_foldback_pcm 122 sound/pci/trident/trident.c if ((err = snd_trident_foldback_pcm(trident, pcm_dev++)) < 0) { snd_trident_foldback_pcm 409 sound/pci/trident/trident.h int snd_trident_foldback_pcm(struct snd_trident *trident, int device);