dell-wmi: new driver for hotkey control

Add a WMI driver for Dell laptops. Currently it does nothing but send a
generic input event when a button with a picture of a battery on it is
pressed, but maybe other uses will appear over time.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 3608081..a27bff3 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -67,6 +67,16 @@
 	This driver adds support for rfkill and backlight control to Dell
 	laptops.
 
+config DELL_WMI
+	tristate "Dell WMI extras"
+	depends on ACPI_WMI
+	depends on INPUT
+	---help---
+	  Say Y here if you want to support WMI-based hotkeys on Dell laptops.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called dell-wmi.
+
 config FUJITSU_LAPTOP
 	tristate "Fujitsu Laptop Extras"
 	depends on ACPI