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| author | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2022-07-11 12:21:10 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-08-19 13:48:58 +0200 |
| commit | 43cc0ec38131c10557c771760ffdfdb74a2da155 (patch) | |
| tree | 9491eafe2bd36355118e328899e1697aa3517bf0 /Documentation/userspace-api | |
| parent | 0975274557d15ab9a01c0944f27065e6708a797c (diff) | |
| download | linux-43cc0ec38131c10557c771760ffdfdb74a2da155.tar.bz2 | |
media: v4l2-ctrls: add change flag for when dimensions change
Add a new V4L2_EVENT_CTRL_CH_DIMENSIONS change flag that is issued
when the dimensions of an array change as a result of a
__v4l2_ctrl_modify_dimensions() call.
This will inform userspace that there are new dimensions.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-dqevent.rst | 5 | ||||
| -rw-r--r-- | Documentation/userspace-api/media/videodev2.h.rst.exceptions | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst b/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst index 6eb40073c906..8db103760930 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst @@ -332,6 +332,11 @@ call. - 0x0004 - This control event was triggered because the minimum, maximum, step or the default value of the control changed. + * - ``V4L2_EVENT_CTRL_CH_DIMENSIONS`` + - 0x0008 + - This control event was triggered because the dimensions of the + control changed. Note that the number of dimensions remains the + same. .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.5cm}| diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions index 64b2c0b1f666..2a589d34b80e 100644 --- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions +++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions @@ -514,6 +514,7 @@ replace define V4L2_EVENT_PRIVATE_START event-type replace define V4L2_EVENT_CTRL_CH_VALUE ctrl-changes-flags replace define V4L2_EVENT_CTRL_CH_FLAGS ctrl-changes-flags replace define V4L2_EVENT_CTRL_CH_RANGE ctrl-changes-flags +replace define V4L2_EVENT_CTRL_CH_DIMENSIONS ctrl-changes-flags replace define V4L2_EVENT_SRC_CH_RESOLUTION src-changes-flags |