diff --git a/Documentation/DocBook/media/v4l/media-types.xml b/Documentation/DocBook/media/v4l/media-types.xml
index 802854649ae8..5e3f20fdcf17 100644
--- a/Documentation/DocBook/media/v4l/media-types.xml
+++ b/Documentation/DocBook/media/v4l/media-types.xml
@@ -109,6 +109,18 @@
decoder.
+
+ MEDIA_ENT_F_AUDIO_CAPTURE
+ Audio Capture Function Entity.
+
+
+ MEDIA_ENT_F_AUDIO_PLAYBACK
+ Audio Playback Function Entity.
+
+
+ MEDIA_ENT_F_AUDIO_MIXER
+ Audio Mixer Function Entity.
+