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-rw-r--r--include/acpi/acpi_bus.h2
-rw-r--r--include/acpi/acpi_drivers.h10
2 files changed, 12 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 08ec60c8366..a2228511d4b 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -95,6 +95,7 @@ typedef int (*acpi_op_suspend) (struct acpi_device * device,
typedef int (*acpi_op_resume) (struct acpi_device * device);
typedef int (*acpi_op_bind) (struct acpi_device * device);
typedef int (*acpi_op_unbind) (struct acpi_device * device);
+typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event);
struct acpi_bus_ops {
u32 acpi_op_add:1;
@@ -110,6 +111,7 @@ struct acpi_device_ops {
acpi_op_resume resume;
acpi_op_bind bind;
acpi_op_unbind unbind;
+ acpi_op_notify notify;
};
struct acpi_driver {
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 241d227de6c..0352c8f0b05 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -67,6 +67,16 @@
#define ACPI_BAY_HID "LNXIOBAY"
#define ACPI_DOCK_HID "LNXDOCK"
+/*
+ * For fixed hardware buttons, we fabricate acpi_devices with HID
+ * ACPI_BUTTON_HID_POWERF or ACPI_BUTTON_HID_SLEEPF. Fixed hardware
+ * signals only an event; it doesn't supply a notification value.
+ * To allow drivers to treat notifications from fixed hardware the
+ * same as those from real devices, we turn the events into this
+ * notification value.
+ */
+#define ACPI_FIXED_HARDWARE_EVENT 0x100
+
/* --------------------------------------------------------------------------
PCI
-------------------------------------------------------------------------- */