linux-kernel - [PATCH v1 2/3] media: Documentation/driver-api: Document device name

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Date:   Tue, 20 Sep 2022 16:09:04 +0200
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Ricardo Ribalda <ribalda@...omium.org>,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH v1 2/3] media: Documentation/driver-api: Document device name

Document how the name of the metadata devices is modified.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>

diff --git a/Documentation/driver-api/media/v4l2-dev.rst b/Documentation/driver-api/media/v4l2-dev.rst
index 99e3b5fa7444..935a46e29c5e 100644
--- a/Documentation/driver-api/media/v4l2-dev.rst
+++ b/Documentation/driver-api/media/v4l2-dev.rst
@@ -42,7 +42,9 @@ You should also set these fields of :c:type:`video_device`:
 - :c:type:`video_device`->v4l2_dev: must be set to the :c:type:`v4l2_device`
   parent device.
 
-- :c:type:`video_device`->name: set to something descriptive and unique.
+- :c:type:`video_device`->name: set to something descriptive and unique. If the
+  device has the `V4L2_CAP_META_CAPTURE` or `V4L2_CAP_META_OUTPUT` capabilities,
+  the string `Meta:` will be inserted before the original name.
 
 - :c:type:`video_device`->vfl_dir: set this to ``VFL_DIR_RX`` for capture
   devices (``VFL_DIR_RX`` has value 0, so this is normally already the

-- 
b4 0.11.0-dev-d93f8