AUDIO_FORMAT_AC3
case AUDIO_FORMAT_AC3: /* AC3: PASSTHRU */
if (fmts & AUDIO_FORMAT_AC3)
return (AUDIO_FORMAT_AC3);
if (uparms.p_format == AUDIO_FORMAT_AC3) {
fmts = AUDIO_FORMAT_AC3;
case AUDIO_FORMAT_AC3:
{ AFMT_AC3, AUDIO_FORMAT_AC3 },