Lines Matching full:ioctl

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