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linux-next/include/acpi/button.h
Jesse Barnes 7e12715ecc ACPI button: provide lid status functions
Some drivers need to know when a lid event occurs and get the current
status.  This can be useful for when a platform firmware clobbers some
hardware state at lid time, and a driver needs to restore things when
the lid is opened again.

Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
2009-09-10 16:09:11 -07:00

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268 B
C

#ifndef ACPI_BUTTON_H
#define ACPI_BUTTON_H
#include <linux/notifier.h>
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);
#endif /* ACPI_BUTTON_H */