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authorHans Verkuil <hverkuil@xs4all.nl>2016-07-20 14:39:42 +0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-08-24 14:58:02 +0200
commit3f8d56b0223d18b58597331cdf8422348dd51870 (patch)
treea9140e1dcc2933376f0a9bf79ab5791e2d0200ef /Documentation/media/uapi
parent[media] vivid: return -ENODATA if the current input doesn't support g/s_selec... (diff)
downloadlinux-3f8d56b0223d18b58597331cdf8422348dd51870.tar.xz
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[media] media: doc-rst: document ENODATA for cropping ioctls
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>
Diffstat (limited to 'Documentation/media/uapi')
-rw-r--r--Documentation/media/uapi/v4l/vidioc-cropcap.rst3
-rw-r--r--Documentation/media/uapi/v4l/vidioc-g-crop.rst3
-rw-r--r--Documentation/media/uapi/v4l/vidioc-g-selection.rst3
3 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-cropcap.rst b/Documentation/media/uapi/v4l/vidioc-cropcap.rst
index b41fdd69054b..9b7c99eef717 100644
--- a/Documentation/media/uapi/v4l/vidioc-cropcap.rst
+++ b/Documentation/media/uapi/v4l/vidioc-cropcap.rst
@@ -167,3 +167,6 @@ appropriately. The generic error codes are described at the
EINVAL
The struct :ref:`v4l2_cropcap <v4l2-cropcap>` ``type`` is
invalid.
+
+ENODATA
+ Cropping is not supported for this input or output.
diff --git a/Documentation/media/uapi/v4l/vidioc-g-crop.rst b/Documentation/media/uapi/v4l/vidioc-g-crop.rst
index d4b0607162c5..1689b0c523d7 100644
--- a/Documentation/media/uapi/v4l/vidioc-g-crop.rst
+++ b/Documentation/media/uapi/v4l/vidioc-g-crop.rst
@@ -112,3 +112,6 @@ Return Value
On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
+
+ENODATA
+ Cropping is not supported for this input or output.
diff --git a/Documentation/media/uapi/v4l/vidioc-g-selection.rst b/Documentation/media/uapi/v4l/vidioc-g-selection.rst
index 34be08541ed8..85b5afa48474 100644
--- a/Documentation/media/uapi/v4l/vidioc-g-selection.rst
+++ b/Documentation/media/uapi/v4l/vidioc-g-selection.rst
@@ -211,6 +211,9 @@ ERANGE
``r`` rectangle to satisfy all constraints given in the ``flags``
argument.
+ENODATA
+ Selection is not supported for this input or output.
+
EBUSY
It is not possible to apply change of the selection rectangle at the
moment. Usually because streaming is in progress.