Symbol: AUDIO_MN_CLONE_MASK
usr/src/uts/common/io/audio/impl/audio_client.c
1078
minor = AUDIO_MN_CLONE_MASK;
usr/src/uts/common/io/audio/impl/audio_ddi.c
116
if (getminor((dev_t)arg) & AUDIO_MN_CLONE_MASK) {