HCI_HV1           126 include/net/bluetooth/hci.h #define SCO_PTYPE_MASK	(HCI_HV1 | HCI_HV2 | HCI_HV3)
HCI_HV1           874 net/bluetooth/hci_core.c 	hdev->pkt_type  = (HCI_DM1 | HCI_DH1 | HCI_HV1);