Symbol: AUDIO_DIAG_LOOPBACK
usr/src/cmd/truss/codes.c
571
{ (uint_t)AUDIO_DIAG_LOOPBACK, "AUDIO_DIAG_LOOPBACK", NULL }, /* 101 */
usr/src/uts/common/io/audio/impl/audio_sun.c
1190
case AUDIO_DIAG_LOOPBACK: