| Message ID | 20220920-resend-meta-v4-2-3ac355b66723@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add Meta: to Metadata devices | expand |
On Sat, Dec 3, 2022 at 2:08 AM Ricardo Ribalda <ribalda@chromium.org> wrote: > > Document how the name of the metadata devices is modified. > > Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> > --- > Documentation/driver-api/media/v4l2-dev.rst | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > 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 > > -- > 2.39.0.rc0.267.gcb52ba06e7-goog-b4-0.11.0-dev-696ae Reviewed-by: Yunke Cao <yunkec@chromium.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
Document how the name of the metadata devices is modified. Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- Documentation/driver-api/media/v4l2-dev.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)