check for power state only when ACPI is available

In bbswitch_off() we use acpi_bus_get_device() to determine the power state, but this feature is only available if ACPI is enabled in the kernel, so make sure to do this check only when ACPI is available. Fixes: 5593d95 ("Linux 3.8 compatibility hack") Signed-off-by: Dimitri John Ledkov <[email protected]> Signed-off-by: Andrea Righi <[email protected]>
Bumblebee-Project · Nov 26, 2021 · 83c72d8 · 83c72d8
1 parent ddbd243
commit 83c72d8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/bbswitch.c b/bbswitch.c
@@ -262,6 +262,7 @@ static void bbswitch_off(void) {
     pci_save_state(dis_dev);
     pci_clear_master(dis_dev);
     pci_disable_device(dis_dev);
+#ifdef CONFIG_ACPI
     do {
         struct acpi_device *ad = NULL;
         int r;
@@ -276,6 +277,7 @@ static void bbswitch_off(void) {
             ad->power.state = ACPI_STATE_D0;
         }
     } while (0);
+#endif
     pci_set_power_state(dis_dev, PCI_D3cold);
 
     if (bbswitch_acpi_off())