[alsa-devel] [PATCH v10 3/8] media: add digital video decoder entity functions

Tim Harvey tharvey at gateworks.com
Fri Feb 9 07:32:31 CET 2018


Add a new media entity function definition for digital TV decoders:
MEDIA_ENT_F_DTV_DECODER

Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
 Documentation/media/uapi/mediactl/media-types.rst | 11 +++++++++++
 include/uapi/linux/media.h                        |  5 +++++
 2 files changed, 16 insertions(+)

diff --git a/Documentation/media/uapi/mediactl/media-types.rst b/Documentation/media/uapi/mediactl/media-types.rst
index 8d64b0c..195400e 100644
--- a/Documentation/media/uapi/mediactl/media-types.rst
+++ b/Documentation/media/uapi/mediactl/media-types.rst
@@ -321,6 +321,17 @@ Types and flags used to represent the media graph elements
          MIPI CSI-2, ...), and outputs them on its source pad to an output
          video bus of another type (eDP, MIPI CSI-2, parallel, ...).
 
+    -  ..  row 31
+
+       ..  _MEDIA-ENT-F-DTV-DECODER:
+
+       -  ``MEDIA_ENT_F_DTV_DECODER``
+
+       -  Digital video decoder. The basic function of the video decoder is
+	  to accept digital video from a wide variety of sources
+	  and output it in some digital video standard, with appropriate
+	  timing signals.
+
 ..  tabularcolumns:: |p{5.5cm}|p{12.0cm}|
 
 .. _media-entity-flag:
diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
index b9b9446..2f12328 100644
--- a/include/uapi/linux/media.h
+++ b/include/uapi/linux/media.h
@@ -110,6 +110,11 @@ struct media_device_info {
 #define MEDIA_ENT_F_VID_IF_BRIDGE		(MEDIA_ENT_F_BASE + 0x5002)
 
 /*
+ * Digital video decoder entities
+ */
+#define MEDIA_ENT_F_DTV_DECODER			(MEDIA_ENT_F_BASE + 0x6001)
+
+/*
  * Connectors
  */
 /* It is a responsibility of the entity drivers to add connectors and links */
-- 
2.7.4



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