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Commit 1a133e0c authored by Jesse Barnes's avatar Jesse Barnes
Browse files

ACPI: make ACPI button funcs no-ops if not built in 



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: default avatarykzhao <yakui.zhao@intel.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent d660467c

include/acpi/button.h

+15 −0
Original line number Diff line number Diff line
@@ -3,8 +3,23 @@ 


#include <linux/notifier.h>



#if defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE)

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 /* defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) */



#endif /* ACPI_BUTTON_H */