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 | 39 |
1 files changed, 16 insertions, 23 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 615e3efdf935..92d933631fda 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-subdev-g-crop.rst @@ -1,11 +1,5 @@ -.. Permission is granted to copy, distribute and/or modify this -.. document under the terms of the GNU Free Documentation License, -.. Version 1.1 or any later version published by the Free Software -.. Foundation, with no Invariant Sections, no Front-Cover Texts -.. and no Back-Cover Texts. A copy of the license is included at -.. Documentation/userspace-api/media/fdl-appendix.rst. -.. -.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _VIDIOC_SUBDEV_G_CROP: @@ -18,27 +12,26 @@ Name VIDIOC_SUBDEV_G_CROP - VIDIOC_SUBDEV_S_CROP - Get or set the crop rectangle on a subdev pad - Synopsis ======== -.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_G_CROP, struct v4l2_subdev_crop *argp ) - :name: VIDIOC_SUBDEV_G_CROP +.. c:macro:: VIDIOC_SUBDEV_G_CROP + +``int ioctl(int fd, VIDIOC_SUBDEV_G_CROP, struct v4l2_subdev_crop *argp)`` -.. c:function:: int ioctl( int fd, VIDIOC_SUBDEV_S_CROP, const struct v4l2_subdev_crop *argp ) - :name: VIDIOC_SUBDEV_S_CROP +.. c:macro:: VIDIOC_SUBDEV_S_CROP +``int ioctl(int fd, VIDIOC_SUBDEV_S_CROP, const struct v4l2_subdev_crop *argp)`` Arguments ========= ``fd`` - File descriptor returned by :ref:`open() <func-open>`. + File descriptor returned by :c:func:`open()`. ``argp`` Pointer to struct :c:type:`v4l2_subdev_crop`. - Description =========== @@ -83,10 +76,9 @@ rectangle doesn't match the device capabilities. They must instead modify the rectangle to match what the hardware can provide. The modified format should be as close as possible to the original request. - .. c:type:: v4l2_subdev_crop -.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| +.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.5cm}| .. flat-table:: struct v4l2_subdev_crop :header-rows: 0 @@ -104,11 +96,13 @@ 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. - Return Value ============ @@ -124,10 +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 |