HCI_OP_LE_READ_ALL_REMOTE_FEATURES
cp = hci_sent_cmd_data(hdev, HCI_OP_LE_READ_ALL_REMOTE_FEATURES);
HCI_CS(HCI_OP_LE_READ_ALL_REMOTE_FEATURES,
HCI_OP_LE_READ_ALL_REMOTE_FEATURES,
return __hci_cmd_sync_status(hdev, HCI_OP_LE_READ_ALL_REMOTE_FEATURES,