Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / include / acpi / acpi_drivers.h

diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 241d227..0352c8f 100644 (file)
--- 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
    -------------------------------------------------------------------------- */