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