+ int acpi_state;
+
+ acpi_state = acpi_pm_device_sleep_state(&pdev->dev,
+ device_may_wakeup(&pdev->dev), NULL);
+ if (acpi_state < 0)
+ return PCI_POWER_ERROR;
+
+ switch (acpi_state) {
+ case ACPI_STATE_D0:
+ return PCI_D0;
+ case ACPI_STATE_D1:
+ return PCI_D1;
+ case ACPI_STATE_D2:
+ return PCI_D2;
+ case ACPI_STATE_D3:
+ return PCI_D3hot;
+ }
+ return PCI_POWER_ERROR;