Revert "Revert "ACPI: dock driver""
This reverts 953969ddf5b049361ed1e8471cc43dc4134d2a6f commit.
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a2b3e39..f338e40 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -334,7 +334,7 @@
acpi_handle handle, int type);
int acpi_bus_trim(struct acpi_device *start, int rmdevice);
int acpi_bus_start(struct acpi_device *device);
-
+acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd);
int acpi_match_ids(struct acpi_device *device, char *ids);
int acpi_create_dir(struct acpi_device *);
void acpi_remove_dir(struct acpi_device *);
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index b425f9b..6a5bdce 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -110,4 +110,21 @@
extern int acpi_specific_hotkey_enabled;
+/*--------------------------------------------------------------------------
+ Dock Station
+ -------------------------------------------------------------------------- */
+#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
+extern int is_dock_device(acpi_handle handle);
+extern int register_dock_notifier(struct notifier_block *nb);
+extern void unregister_dock_notifier(struct notifier_block *nb);
+extern int register_hotplug_dock_device(acpi_handle handle,
+ acpi_notify_handler handler, void *context);
+extern void unregister_hotplug_dock_device(acpi_handle handle);
+#else
+#define is_dock_device(h) (0)
+#define register_dock_notifier(nb) (-ENODEV)
+#define unregister_dock_notifier(nb) do { } while(0)
+#define register_hotplug_dock_device(h1, h2, c) (-ENODEV)
+#define unregister_hotplug_dock_device(h) do { } while(0)
+#endif
#endif /*__ACPI_DRIVERS_H__*/