media: media.h: add MEDIA_ENT_F_DV_ENCODER

Add a new function for digital video encoders such as HDMI transmitters.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

Documentation/media/uapi/mediactl/media-types.rst

@@ -206,6 +206,13 @@ Types and flags used to represent the media graph elements
 	  and output it in some digital video standard, with appropriate
 	  timing signals.
 
+    *  -  ``MEDIA_ENT_F_DV_ENCODER``
+       -  Digital video encoder. The basic function of the video encoder is
+	  to accept digital video from some digital video standard with
+	  appropriate timing signals (usually a parallel video bus with sync
+	  signals) and output this to a digital video output connector such
+	  as HDMI or DisplayPort.
+
 ..  tabularcolumns:: |p{5.5cm}|p{12.0cm}|
 
 .. _media-entity-flag:

include/uapi/linux/media.h

@@ -90,10 +90,11 @@ struct media_device_info {
 #define MEDIA_ENT_F_LENS			(MEDIA_ENT_F_OLD_SUBDEV_BASE + 3)
 
 /*
- * Video decoder functions
+ * Video decoder/encoder functions
  */
 #define MEDIA_ENT_F_ATV_DECODER			(MEDIA_ENT_F_OLD_SUBDEV_BASE + 4)
 #define MEDIA_ENT_F_DV_DECODER			(MEDIA_ENT_F_BASE + 0x6001)
+#define MEDIA_ENT_F_DV_ENCODER			(MEDIA_ENT_F_BASE + 0x6002)
 
 /*
  * Digital TV, analog TV, radio and/or software defined radio tuner functions.