1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef ACPI_BUTTON_H
3#define ACPI_BUTTON_H
4
5#include <linux/notifier.h>
6
7#if IS_ENABLED(CONFIG_ACPI_BUTTON)
8extern int acpi_lid_notifier_register(struct notifier_block *nb);
9extern int acpi_lid_notifier_unregister(struct notifier_block *nb);
10extern int acpi_lid_open(void);
11#else
12static inline int acpi_lid_notifier_register(struct notifier_block *nb)
13{
14 return 0;
15}
16static inline int acpi_lid_notifier_unregister(struct notifier_block *nb)
17{
18 return 0;
19}
20static inline int acpi_lid_open(void)
21{
22 return 1;
23}
24#endif /* IS_ENABLED(CONFIG_ACPI_BUTTON) */
25
26#endif /* ACPI_BUTTON_H */
27