diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-g-input.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-g-input.rst | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-g-input.rst b/Documentation/media/uapi/v4l/vidioc-g-input.rst index 29e22f6f8028..1364a918fbce 100644 --- a/Documentation/media/uapi/v4l/vidioc-g-input.rst +++ b/Documentation/media/uapi/v4l/vidioc-g-input.rst @@ -15,7 +15,11 @@ VIDIOC_G_INPUT - VIDIOC_S_INPUT - Query or select the current video input Synopsis ======== -.. cpp:function:: int ioctl( int fd, int request, int *argp ) +.. c:function:: int ioctl( int fd, VIDIOC_G_INPUT, int *argp ) + :name: VIDIOC_G_INPUT + +.. c:function:: int ioctl( int fd, VIDIOC_S_INPUT, int *argp ) + :name: VIDIOC_S_INPUT Arguments @@ -24,9 +28,6 @@ Arguments ``fd`` File descriptor returned by :ref:`open() <func-open>`. -``request`` - VIDIOC_G_INPUT, VIDIOC_S_INPUT - ``argp`` @@ -36,7 +37,7 @@ Description To query the current video input applications call the :ref:`VIDIOC_G_INPUT <VIDIOC_G_INPUT>` ioctl with a pointer to an integer where the driver stores the number of the input, as in the struct -:ref:`v4l2_input <v4l2-input>` ``index`` field. This ioctl will fail +:c:type:`v4l2_input` ``index`` field. This ioctl will fail only when there are no video inputs, returning ``EINVAL``. To select a video input applications store the number of the desired |