wmi_marshal_string
ret = wmi_marshal_string(in, &ain);
ret = wmi_marshal_string(in, &buffer);
int wmi_marshal_string(const struct wmi_buffer *buffer, struct acpi_buffer *out);
EXPORT_SYMBOL_IF_KUNIT(wmi_marshal_string);
KUNIT_ARRAY_PARAM(wmi_marshal_string, wmi_string_params_array, wmi_string_param_get_desc);
ret = wmi_marshal_string(¶m->buffer, &result);
ret = wmi_marshal_string(¶m->buffer, &result);