hci_disable_ext_adv_instance_sync
err = hci_disable_ext_adv_instance_sync(hdev, instance);
err = hci_disable_ext_adv_instance_sync(hdev, instance);
err = hci_disable_ext_adv_instance_sync(hdev, 0x00);
return hci_disable_ext_adv_instance_sync(hdev, 0x00);