acpi_lid_evaluate_state
state = acpi_lid_evaluate_state(button->adev->handle);
return acpi_lid_evaluate_state(saved_lid_handle);
state = acpi_lid_evaluate_state(button->adev->handle);
button->last_state = !!acpi_lid_evaluate_state(ACPI_HANDLE(dev));
button->last_state = !!acpi_lid_evaluate_state(button->adev->handle);