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-rw-r--r--Documentation/media/uapi/v4l/pixfmt-compressed.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-compressed.rst b/Documentation/media/uapi/v4l/pixfmt-compressed.rst
index abec03937bb3..d382e7a5c38e 100644
--- a/Documentation/media/uapi/v4l/pixfmt-compressed.rst
+++ b/Documentation/media/uapi/v4l/pixfmt-compressed.rst
@@ -95,3 +95,10 @@ Compressed Formats
- ``V4L2_PIX_FMT_HEVC``
- 'HEVC'
- HEVC/H.265 video elementary stream.
+ * .. _V4L2-PIX-FMT-FWHT:
+
+ - ``V4L2_PIX_FMT_FWHT``
+ - 'FWHT'
+ - Video elementary stream using a codec based on the Fast Walsh Hadamard
+ Transform. This codec is implemented by the vicodec ('Virtual Codec')
+ driver. See the vicodec-codec.h header for more details.