diff options
Diffstat (limited to 'include/acpi/button.h')
| -rw-r--r-- | include/acpi/button.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/acpi/button.h b/include/acpi/button.h new file mode 100644 index 000000000..3a2b8535d --- /dev/null +++ b/include/acpi/button.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef ACPI_BUTTON_H +#define ACPI_BUTTON_H + +#include <linux/notifier.h> + +#if IS_ENABLED(CONFIG_ACPI_BUTTON) +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 /* IS_ENABLED(CONFIG_ACPI_BUTTON) */ + +#endif /* ACPI_BUTTON_H */ |