sony-laptop: sonypi backward compatibility code

Compatibility code to allow old sonypi bound userspace apps to still work.

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 4fb951b..75dbc58 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -121,4 +121,10 @@
 
 	  Read <file:Documentation/sony-laptop.txt> for more information.
 
+config SONY_LAPTOP_OLD
+	bool "Sonypi compatibility"
+	depends on SONY_LAPTOP
+	  ---help---
+	  Build the sonypi driver compatibility code into the sony-laptop driver.
+
 endmenu