hci_write_le_host_supported_sync
int hci_write_le_host_supported_sync(struct hci_dev *hdev, u8 le, u8 simul);
err = hci_write_le_host_supported_sync(hdev, 0x01, 0x00);
err = hci_write_le_host_supported_sync(hdev, val, 0);