wmidev_invoke_method
ret = wmidev_invoke_method(wdev, 0x0, DELL_SMM_LEGACY_EXECUTE, &in, &out, sizeof(__le32));
EXPORT_SYMBOL_GPL(wmidev_invoke_method);
ret = wmidev_invoke_method(data->wdev, 0, 1, &in_buf, &out_buf, sizeof(*output));
ret = wmidev_invoke_method(wdev, 0, method_id, &in, &out,
ret = wmidev_invoke_method(wdev, 0, 1, &input, &output, input.length);
return wmidev_invoke_method(wdev, 0x0, method, &input, output, min_size);
int wmidev_invoke_method(struct wmi_device *wdev, u8 instance, u32 method_id,