Symbol: BCM4377_DOORBELL_SCO
drivers/bluetooth/hci_bcm4377.c
1743
bcm4377->sco_h2d_ring.doorbell = BCM4377_DOORBELL_SCO;
drivers/bluetooth/hci_bcm4377.c
1750
bcm4377->sco_d2h_ring.doorbell = BCM4377_DOORBELL_SCO;