mixer_add_ctl
return (mixer_add_ctl(ctl->parent_dev, ctl->id, ctl->name,
int mixer_add_ctl(struct mix_dev *, int, const char *,
rc += mixer_add_ctl(dp, C_VOL, "volume", mod_volume, print_volume);
rc += mixer_add_ctl(dp, C_MUT, "mute", mod_mute, print_mute);
rc += mixer_add_ctl(dp, C_SRC, "recsrc", mod_recsrc, print_recsrc);