linux-kernel - [PATCH v2 3/4] media: Documentation/driver-api: Document entity name

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Date:   Tue,  7 Dec 2021 01:38:39 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Nicolas Dufresne <nicolas@...fresne.ca>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        tfiga@...omium.org
Cc:     Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v2 3/4] media: Documentation/driver-api: Document entity name

Now the entity name can be configured by the driver to a value different
than vdev->name. Document it accordingly.

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 Documentation/driver-api/media/v4l2-dev.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/driver-api/media/v4l2-dev.rst b/Documentation/driver-api/media/v4l2-dev.rst
index 99e3b5fa7444..22120b60b0a9 100644
--- a/Documentation/driver-api/media/v4l2-dev.rst
+++ b/Documentation/driver-api/media/v4l2-dev.rst
@@ -134,6 +134,10 @@ manually set the struct media_entity type and name fields.
 A reference to the entity will be automatically acquired/released when the
 video device is opened/closed.
 
+The entity name can be configured by setting the `vdev->entity.name` pointer
+to the desired value. If it is set to NULL, the entity will be named as the
+video device.
+
 ioctls and locking
 ------------------
 
-- 
2.34.1.400.ga245620fadb-goog