SOUND_MASK_PCM
if (!(sc->sc_mix_info & SOUND_MASK_PCM)) {
mix_setparentchild(m, SOUND_MIXER_VOLUME, SOUND_MASK_PCM);
if ((mask & SOUND_MASK_PCM) == 0 ||
mask |= SOUND_MASK_PCM;
SOUND_MASK_PCM);
flag = ~(SOUND_MASK_VOLUME | SOUND_MASK_PCM |
hdaa_dump_ctls(pdevinfo, "PCM Volume", SOUND_MASK_PCM);
mask = SOUND_MASK_PCM;
mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
SOUND_MASK_PCM | SOUND_MASK_CD);
*(int *)arg |= SOUND_MASK_PCM;
*(int *)arg |= SOUND_MASK_PCM;
v |= SOUND_MASK_PCM;