diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2025-02-03 11:55:38 +0000 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2025-03-03 18:23:35 +0100 |
| commit | a5bd42aafb068427ecf4d6d34fa023944f211922 (patch) | |
| tree | 77164fcd5b93a66bb27ed5cc16da5955a06a17b2 /include/uapi/linux/videodev2.h | |
| parent | 3b9d7340cfac91f8a2ac237a6787f521f1440ca3 (diff) | |
media: v4l2-ctrls: add support for V4L2_CTRL_WHICH_MIN/MAX_VAL
Add the capability of retrieving the min and max values of a
compound control.
[Ricardo: Added static to v4l2_ctrl_type_op_(maximum|minimum) proto]
[Ricardo: Fix documentation]
Signed-off-by: Yunke Cao <yunkec@google.com>
Tested-by: Yunke Cao <yunkec@google.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://lore.kernel.org/r/20250203-uvc-roi-v17-2-5900a9fed613@chromium.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
[hverkuil: fix small alignment checkpatch warning]
Diffstat (limited to 'include/uapi/linux/videodev2.h')
| -rw-r--r-- | include/uapi/linux/videodev2.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index c1c2ae150d30..c8cb2796130f 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -1912,6 +1912,8 @@ struct v4l2_ext_controls { #define V4L2_CTRL_WHICH_CUR_VAL 0 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 +#define V4L2_CTRL_WHICH_MIN_VAL 0x0f020000 +#define V4L2_CTRL_WHICH_MAX_VAL 0x0f030000 enum v4l2_ctrl_type { V4L2_CTRL_TYPE_INTEGER = 1, @@ -2019,6 +2021,7 @@ struct v4l2_querymenu { #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 +#define V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX 0x1000 /* Query flags, to be ORed with the control ID */ #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 |