Symbol: AUDIO_CTRL_ID_REAR
usr/src/uts/common/io/audio/drv/audiocmihd/audiocmihd.c
1368
desc.acd_name = AUDIO_CTRL_ID_REAR;
usr/src/uts/common/io/audio/drv/audiohd/audiohd.c
1917
AUDIO_CTRL_ID_REAR, MAINVOL, 75,