1 files changed, 15 insertions, 0 deletions

diff --git a/include/acpi/button.h b/include/acpi/button.h
index bb643a79d651..97eea0e4c016 100644
--- a/include/acpi/button.h
+++ b/include/acpi/button.h
@@ -3,8 +3,23 @@
 
 #include <linux/notifier.h>
 
+#if defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE)
 extern int acpi_lid_notifier_register(struct notifier_block *nb);
 extern int acpi_lid_notifier_unregister(struct notifier_block *nb);
 extern int acpi_lid_open(void);
+#else
+static inline int acpi_lid_notifier_register(struct notifier_block *nb)
+{
+        return 0;
+}
+static inline int acpi_lid_notifier_unregister(struct notifier_block *nb)
+{
+        return 0;
+}
+static inline int acpi_lid_open(void)
+{
+        return 1;
+}
+#endif /* defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) */
 
 #endif /* ACPI_BUTTON_H */