snd_ad1816a_pcm 170 include/sound/ad1816a.h extern int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm); snd_ad1816a_pcm 187 sound/isa/ad1816a/ad1816a.c if ((error = snd_ad1816a_pcm(chip, 0, NULL)) < 0) {