Symbol: SND_VOL_0DB_MASTER
sys/dev/sound/pcm/channel.c
1213
c->volume[SND_VOL_C_MASTER][i] = SND_VOL_0DB_MASTER;
sys/dev/sound/pcm/channel.c
1215
c->volume[SND_VOL_C_MASTER][SND_CHN_T_VOL_0DB] = SND_VOL_0DB_MASTER;