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[media] media: doc-rst: document ENODATA for cropping ioctls

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Document that the cropping ioctls can return ENODATA if the operation
isn't supported for the current input or output.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2016-07-20 09:39:42 -03:00 committed by Mauro Carvalho Chehab
parent 0d0abef8d4
commit 3f8d56b022
3 changed files with 9 additions and 0 deletions
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3
Documentation/media/uapi/v4l/vidioc-cropcap.rst
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@ -167,3 +167,6 @@ appropriately. The generic error codes are described at the
EINVAL EINVAL
The struct :ref:`v4l2_cropcap <v4l2-cropcap>` ``type`` is The struct :ref:`v4l2_cropcap <v4l2-cropcap>` ``type`` is
invalid. invalid.
ENODATA
Cropping is not supported for this input or output.

3
Documentation/media/uapi/v4l/vidioc-g-crop.rst
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@ -112,3 +112,6 @@ Return Value
On success 0 is returned, on error -1 and the ``errno`` variable is set On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter. :ref:`Generic Error Codes <gen-errors>` chapter.
ENODATA
Cropping is not supported for this input or output.

3
Documentation/media/uapi/v4l/vidioc-g-selection.rst
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@ -211,6 +211,9 @@ ERANGE
``r`` rectangle to satisfy all constraints given in the ``flags`` ``r`` rectangle to satisfy all constraints given in the ``flags``
argument. argument.
ENODATA
Selection is not supported for this input or output.
EBUSY EBUSY
It is not possible to apply change of the selection rectangle at the It is not possible to apply change of the selection rectangle at the
moment. Usually because streaming is in progress. moment. Usually because streaming is in progress.