diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst index bd15c0a5a66b..88a748103a71 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst @@ -37,9 +37,9 @@ Description .. note:: - This is an :ref:`obsolete` interface and may be removed - in the future. It is superseded by - :ref:`the selection API <VIDIOC_SUBDEV_G_SELECTION>`. + This is an :ref:`obsolete` interface and may be removed in the future. It is + superseded by :ref:`the selection API <VIDIOC_SUBDEV_G_SELECTION>`. No new + extensions to the :c:type:`v4l2_subdev_crop` structure will be accepted. To retrieve the current crop rectangle applications set the ``pad`` field of a struct :c:type:`v4l2_subdev_crop` to the @@ -96,7 +96,10 @@ modified format should be as close as possible to the original request. - ``rect`` - Crop rectangle boundaries, in pixels. * - __u32 - - ``reserved``\ [8] + - ``stream`` + - Stream identifier. + * - __u32 + - ``reserved``\ [7] - Reserved for future extensions. Applications and drivers must set the array to zero. @@ -115,10 +118,9 @@ EBUSY ``VIDIOC_SUBDEV_S_CROP`` EINVAL - The struct :c:type:`v4l2_subdev_crop` ``pad`` - references a non-existing pad, the ``which`` field references a - non-existing format, or cropping is not supported on the given - subdev pad. + The struct :c:type:`v4l2_subdev_crop` ``pad`` references a non-existing pad, + the ``which`` field has an unsupported value, or cropping is not supported + on the given subdev pad. EPERM The ``VIDIOC_SUBDEV_S_CROP`` ioctl has been called on a read-only subdevice |