mix_setparentchild
mix_setparentchild(m, SOUND_MIXER_VOLUME,
mix_setparentchild(m, SOUND_MIXER_VOLUME,
mix_setparentchild(m, SOUND_MIXER_VOLUME,
mix_setparentchild(m, SOUND_MIXER_VOLUME,
void mix_setparentchild(struct snd_mixer *m, u_int32_t parent, u_int32_t childs);
mix_setparentchild(m, SOUND_MIXER_VOLUME, SOUND_MASK_PCM);