HCI_PSCAN
set_bit(HCI_PSCAN, &hdev->flags);
clear_bit(HCI_PSCAN, &hdev->flags);
if (test_bit(HCI_PSCAN, &hdev->flags) == !!(scan & SCAN_PAGE) &&
test_bit(HCI_PSCAN, &hdev->flags)) {
bool scanning = test_bit(HCI_PSCAN, &hdev->flags);
if (test_bit(HCI_PSCAN, &hdev->flags))