linux-kernel - [PATCH v2] media: doc: pixfmt-yuv: Fix 4:4:4 subsampling info

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Message-Id: <20210125141029.16481-1-helen.koike@collabora.com>
Date:   Mon, 25 Jan 2021 11:10:29 -0300
From:   Helen Koike <helen.koike@...labora.com>
To:     linux-media@...r.kernel.org
Cc:     hverkuil@...all.nl, hans.verkuil@...co.com,
        laurent.pinchart@...asonboard.com, kernel@...labora.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] media: doc: pixfmt-yuv: Fix 4:4:4 subsampling info

YUV 4:4:4 is not subsampled, fix this in the docs.

Fixes: da785536e007 ("media: doc: pixfmt-yuv: Move all semi-planar YUV formats to common file")
Signed-off-by: Helen Koike <helen.koike@...labora.com>

---
Changes in v2:

- s/No sub-sampling/The chroma plane is not subsampled/ (Laurent)
- Fixed description regarding the number of bytes (Laurent)
---
 Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
index 7d4d39201a3f..1e0db602cc1b 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
@@ -396,9 +396,9 @@ number of lines as the luma plane.
 NV24 and NV42
 -------------
 
-Semi-planar YUV 4:4:4 formats. The chroma plane is subsampled by 2 in the
-horizontal direction. Chroma lines contain half the number of pixels and the
-same number of bytes as luma lines, and the chroma plane contains the same
+Semi-planar YUV 4:4:4 formats. The chroma plane is not subsampled.
+Chroma lines contain the same number of pixels and twice the
+number of bytes as luma lines, and the chroma plane contains the same
 number of lines as the luma plane.
 
 .. flat-table:: Sample 4x4 NV24 Image
-- 
2.30.0