summaryrefslogtreecommitdiff
path: root/Documentation/media/uapi/v4l/vidioc-subdev-g-selection.rst
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-subdev-g-selection.rst')
-rw-r--r--Documentation/media/uapi/v4l/vidioc-subdev-g-selection.rst85
1 files changed, 29 insertions, 56 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-subdev-g-selection.rst b/Documentation/media/uapi/v4l/vidioc-subdev-g-selection.rst
index 50838a4a429e..071d9c033db6 100644
--- a/Documentation/media/uapi/v4l/vidioc-subdev-g-selection.rst
+++ b/Documentation/media/uapi/v4l/vidioc-subdev-g-selection.rst
@@ -15,7 +15,11 @@ VIDIOC_SUBDEV_G_SELECTION - VIDIOC_SUBDEV_S_SELECTION - Get or set selection rec
Synopsis
========
-.. cpp:function:: int ioctl( int fd, int request, struct v4l2_subdev_selection *argp )
+.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_G_SELECTION, struct v4l2_subdev_selection *argp )
+ :name: VIDIOC_SUBDEV_G_SELECTION
+
+.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_S_SELECTION, struct v4l2_subdev_selection *argp )
+ :name: VIDIOC_SUBDEV_S_SELECTION
Arguments
@@ -24,9 +28,6 @@ Arguments
``fd``
File descriptor returned by :ref:`open() <func-open>`.
-``request``
- VIDIOC_SUBDEV_G_SELECTION, VIDIOC_SUBDEV_S_SELECTION
-
``argp``
@@ -64,63 +65,35 @@ Selection targets and flags are documented in
:ref:`v4l2-selections-common`.
-.. _v4l2-subdev-selection:
+.. c:type:: v4l2_subdev_selection
+
+.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
.. flat-table:: struct v4l2_subdev_selection
:header-rows: 0
:stub-columns: 0
:widths: 1 1 2
-
- - .. row 1
-
- - __u32
-
- - ``which``
-
- - Active or try selection, from enum
- :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
-
- - .. row 2
-
- - __u32
-
- - ``pad``
-
- - Pad number as reported by the media framework.
-
- - .. row 3
-
- - __u32
-
- - ``target``
-
- - Target selection rectangle. See :ref:`v4l2-selections-common`.
-
- - .. row 4
-
- - __u32
-
- - ``flags``
-
- - Flags. See :ref:`v4l2-selection-flags`.
-
- - .. row 5
-
- - struct :ref:`v4l2_rect <v4l2-rect>`
-
- - ``r``
-
- - Selection rectangle, in pixels.
-
- - .. row 6
-
- - __u32
-
- - ``reserved``\ [8]
-
- - Reserved for future extensions. Applications and drivers must set
- the array to zero.
+ * - __u32
+ - ``which``
+ - Active or try selection, from enum
+ :ref:`v4l2_subdev_format_whence <v4l2-subdev-format-whence>`.
+ * - __u32
+ - ``pad``
+ - Pad number as reported by the media framework.
+ * - __u32
+ - ``target``
+ - Target selection rectangle. See :ref:`v4l2-selections-common`.
+ * - __u32
+ - ``flags``
+ - Flags. See :ref:`v4l2-selection-flags`.
+ * - struct :c:type:`v4l2_rect`
+ - ``r``
+ - Selection rectangle, in pixels.
+ * - __u32
+ - ``reserved``\ [8]
+ - Reserved for future extensions. Applications and drivers must set
+ the array to zero.
Return Value
@@ -138,7 +111,7 @@ EBUSY
``VIDIOC_SUBDEV_S_SELECTION``
EINVAL
- The struct :ref:`v4l2_subdev_selection <v4l2-subdev-selection>`
+ The struct :c:type:`v4l2_subdev_selection`
``pad`` references a non-existing pad, the ``which`` field
references a non-existing format, or the selection target is not
supported on the given subdev pad.