| /* 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 */ |