V4L/DVB (5929): Add vp27smpx driver

This device is internal to the Panasonic VP27S tuner and is used to set 
the mono/stereo/bilingual setting of the tuner.

It is used by two Japanese cx23416-based cards.

Signed-off-by: Takahiro Adachi <tadachi@tadachi-net.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 675c857..0e1d2cc 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -148,6 +148,15 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called wm8739.
 
+config VIDEO_VP27SMPX
+	tristate "Panasonic VP27s internal MPX"
+	depends on VIDEO_V4L2 && I2C && EXPERIMENTAL
+	---help---
+	  Support for the internal MPX of the Panasonic VP27s tuner.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called vp27smpx.
+
 comment "Video decoders"
 
 config VIDEO_BT819