LXR linux/include/acpi/button.h

   1#ifndef ACPI_BUTTON_H
   2#define ACPI_BUTTON_H
   3
   4#include <linux/notifier.h>
   5
   6#if defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE)
   7extern int acpi_lid_notifier_register(struct notifier_block *nb);
   8extern int acpi_lid_notifier_unregister(struct notifier_block *nb);
   9extern int acpi_lid_open(void);
  10#else
  11static inline int acpi_lid_notifier_register(struct notifier_block *nb)
  12{
  13        return 0;
  14}
  15static inline int acpi_lid_notifier_unregister(struct notifier_block *nb)
  16{
  17        return 0;
  18}
  19static inline int acpi_lid_open(void)
  20{
  21        return 1;
  22}
  23#endif /* defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) */
  24
  25#endif /* ACPI_BUTTON_H */
  26