[media] Documentation: add support for V4L touch devices

Document the new touch API.

Signed-off-by: Nick Dyer <nick@shmanahar.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: fix up videodev2.h.rst.exceptions]

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/Documentation/media/videodev2.h.rst.exceptions b/Documentation/media/videodev2.h.rst.exceptions
index 9bb9a6c..f0b243c 100644
--- a/Documentation/media/videodev2.h.rst.exceptions
+++ b/Documentation/media/videodev2.h.rst.exceptions
@@ -152,6 +152,7 @@
 replace define V4L2_CAP_ASYNCIO device-capabilities
 replace define V4L2_CAP_STREAMING device-capabilities
 replace define V4L2_CAP_DEVICE_CAPS device-capabilities
+replace define V4L2_CAP_TOUCH device-capabilities
 
 # V4L2 pix flags
 replace define V4L2_PIX_FMT_PRIV_MAGIC v4l2-pix-format
@@ -285,6 +286,7 @@
 
 replace define V4L2_INPUT_TYPE_TUNER input-type
 replace define V4L2_INPUT_TYPE_CAMERA input-type
+replace define V4L2_INPUT_TYPE_TOUCH input-type
 
 replace define V4L2_IN_ST_NO_POWER input-status
 replace define V4L2_IN_ST_NO_SIGNAL input-status