snd_bcm2835_new_pcm
err = snd_bcm2835_new_pcm(chip, name, 0, route,
err = snd_bcm2835_new_pcm(chip, "IEC958", 1, route, 1, true);
return snd_bcm2835_new_pcm(chip, name, 0, route, numchannels, false);
int snd_bcm2835_new_pcm(struct bcm2835_chip *chip, const char *name,