From 9ee85241fdaab358dff1d8647f20a478cfa512a1 Mon Sep 17 00:00:00 2001 From: Zhang Rui Date: Fri, 25 Jan 2008 14:48:06 +0800 Subject: ACPI: create notifier chain to get hotkey events to graphics driver Kernel mode graphics drivers need this ACPI notifier chaine so that they can get notified upon hotkey events. Signed-off-by: Zhang Rui Signed-off-by: Len Brown --- include/acpi/acpi_bus.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/acpi/acpi_bus.h') diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index fb7171b1bd22..3f9f1417ff09 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -321,6 +321,9 @@ struct acpi_bus_event { extern struct kobject *acpi_kobj; extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); +extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); +extern int register_acpi_notifier(struct notifier_block *); +extern int unregister_acpi_notifier(struct notifier_block *); /* * External Functions */ -- cgit v1.2.3