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1a133e0c9d
Yakui pointed out that we don't properly no-op the ACPI button routines if the button driver isn't built in. This will cause problems if ACPI is disabled, so provide stub functions in that case. Reported-by: ykzhao <yakui.zhao@intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
25 lines
652 B
C
25 lines
652 B
C
#ifndef ACPI_BUTTON_H
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#define ACPI_BUTTON_H
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#include <linux/notifier.h>
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#if defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE)
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extern int acpi_lid_notifier_register(struct notifier_block *nb);
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extern int acpi_lid_notifier_unregister(struct notifier_block *nb);
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extern int acpi_lid_open(void);
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#else
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static inline int acpi_lid_notifier_register(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int acpi_lid_notifier_unregister(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int acpi_lid_open(void)
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{
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return 1;
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}
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#endif /* defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) */
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#endif /* ACPI_BUTTON_H */
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