diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-queryctrl.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-queryctrl.rst | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst index 6690928e657b..8971f4cfb16e 100644 --- a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst +++ b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst @@ -290,34 +290,29 @@ See also the examples in :ref:`control`. .. flat-table:: struct v4l2_querymenu :header-rows: 0 :stub-columns: 0 - :widths: 1 1 2 1 + :widths: 1 1 2 * - __u32 - - - ``id`` - Identifies the control, set by the application from the respective struct :ref:`v4l2_queryctrl <v4l2-queryctrl>` ``id``. * - __u32 - - - ``index`` - Index of the menu item, starting at zero, set by the application. - * - union - - - - - - - * - - - __u8 + * - union { + - (anonymous) + * - __u8 - ``name``\ [32] - Name of the menu item, a NUL-terminated ASCII string. This information is intended for the user. This field is valid for ``V4L2_CTRL_TYPE_MENU`` type controls. - * - - - __s64 + * - __s64 - ``value`` - Value of the integer menu item. This field is valid for ``V4L2_CTRL_TYPE_INTEGER_MENU`` type controls. - * - __u32 + * - } - + * - __u32 - ``reserved`` - Reserved for future extensions. Drivers must set the array to zero. @@ -378,7 +373,7 @@ See also the examples in :ref:`control`. - 0 - 0 - A control which performs an action when set. Drivers must ignore - the value passed with ``VIDIOC_S_CTRL`` and return an ``EINVAL`` error + the value passed with ``VIDIOC_S_CTRL`` and return an ``EACCES`` error code on a ``VIDIOC_G_CTRL`` attempt. * - ``V4L2_CTRL_TYPE_INTEGER64`` - any |