diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index a1be37897ad7..3f3d2e2d424e 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -1284,6 +1284,49 @@ values are:
capturing. This is not done by muting audio hardware, which can still
produce a slight hiss, but in the encoder itself, guaranteeing a fixed
and reproducible audio bitstream. 0 = unmuted, 1 = muted.
+
+
+
+ V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK
+ enum v4l2_mpeg_audio_dec_playback
+
Determines how monolingual audio should be played back.
+Possible values are:
+
+
+
+
+
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO
+ Automatically determines the best playback mode.
+
+
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO
+ Stereo playback.
+
+
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT
+ Left channel playback.
+
+
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_RIGHT
+ Right channel playback.
+
+
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_MONO
+ Mono playback.
+
+
+ V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO
+ Stereo playback with swapped left and right channels.
+
+
+
+
+
+
+ V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK
+ enum v4l2_mpeg_audio_dec_playback
+
Determines how multilingual audio should be played back.
@@ -1447,6 +1490,22 @@ of the video. The supplied 32-bit integer is interpreted as follows (bit
+
+
+ V4L2_CID_MPEG_VIDEO_DEC_PTS
+ integer64
+
This read-only control returns the
+33-bit video Presentation Time Stamp as defined in ITU T-REC-H.222.0 and ISO/IEC 13818-1 of
+the currently displayed frame. This is the same PTS as is used in &VIDIOC-DECODER-CMD;.
+
+
+
+ V4L2_CID_MPEG_VIDEO_DEC_FRAME
+ integer64
+
This read-only control returns the
+frame counter of the frame that is currently displayed (decoded). This value is reset to 0 whenever
+the decoder is started.
+