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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2023-12-13 16:00:07 +0100 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-12-13 16:52:35 +0100 |
| commit | 2b455a551f2e428d18086393f54ddf921193f208 (patch) | |
| tree | ab853002a31b8998ca120a6041fde31763d8eec5 /Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst | |
| parent | media: v4l2-subdev: Store frame interval in subdev state (diff) | |
| download | linux-2b455a551f2e428d18086393f54ddf921193f208.tar.xz linux-2b455a551f2e428d18086393f54ddf921193f208.zip | |
media: docs: uAPI: Clarify error documentation for invalid 'which' value
Invalid values for the 'which' field of structures passed to multiple
subdev ioctls result in an EINVAL error being returned. The
documentation of the corresponding ioctls indicates this with sentences
such as the following:
the ``which`` field references a non-existing format
This is confusing. Clarify the documentation.
Suggested-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst index 41e0e2c8ecc3..c8022809ac35 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-frame-interval.rst @@ -117,10 +117,9 @@ EBUSY ``VIDIOC_SUBDEV_S_FRAME_INTERVAL`` EINVAL - The struct - :c:type:`v4l2_subdev_frame_interval` - ``pad`` references a non-existing pad, the ``which`` field references a - non-existing frame interval, or the pad doesn't support frame intervals. + The struct :c:type:`v4l2_subdev_frame_interval` ``pad`` references a + non-existing pad, the ``which`` field has an unsupported value, or the pad + doesn't support frame intervals. EPERM The ``VIDIOC_SUBDEV_S_FRAME_INTERVAL`` ioctl has been called on a read-only |