Symbol: SND_U_MASK
sys/dev/sound/pcm/sound.c
1075
d->clones = snd_clone_create(SND_U_MASK | SND_D_MASK, PCMMAXCLONE,
sys/dev/sound/pcm/sound.c
283
!(devunit & ~(SND_U_MASK | SND_D_MASK | SND_C_MASK))) &&