Symbol: SV_REG_LOOPBACK
sys/dev/sound/pci/vibes.c
629
v = sv_indirect_get(sc, SV_REG_LOOPBACK) & ~SV_LOOPBACK_ENABLE;
sys/dev/sound/pci/vibes.c
630
sv_indirect_set(sc, SV_REG_LOOPBACK, v);