Lines Matching refs:ioctl

10 .. _func-ioctl:
13 V4L2 ioctl()
19 v4l2-ioctl - Program a V4L2 device
27     #include <sys/ioctl.h>
30 .. c:function:: int ioctl( int fd, int request, void *argp )
31     :name: v4l2-ioctl
40     V4L2 ioctl request code as defined in the ``videodev2.h`` header
50 The :ref:`ioctl() <func-ioctl>` function is used to program V4L2 devices. The
51 argument ``fd`` must be an open file descriptor. An ioctl ``request``
54 defines specifying V4L2 ioctl requests are located in the
57 All V4L2 ioctl requests, their respective function and parameters are
68 When an ioctl that takes an output or read/write parameter fails, the