diff options
Diffstat (limited to 'include/acpi/button.h')
| -rw-r--r-- | include/acpi/button.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/acpi/button.h b/include/acpi/button.h new file mode 100644 index 000000000000..97eea0e4c016 --- /dev/null +++ b/include/acpi/button.h @@ -0,0 +1,25 @@ +#ifndef ACPI_BUTTON_H +#define ACPI_BUTTON_H + +#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 */ |