1 .. -*- coding: utf-8; mode: rst -*-
14 .. attention:: This ioctl is deprecated.
20 .. c:function:: int ioctl(int fd, FE_GET_FRONTEND, struct dvb_frontend_parameters *p)
21 :name: FE_GET_FRONTEND
28 File descriptor returned by :c:func:`open() <dvb-fe-open>`.
32 Points to parameters for tuning operation.
38 This ioctl call queries the currently effective frontend parameters. For
39 this command, read-only access to the device is sufficient.
45 On success 0 is returned.
47 On error -1 is returned, and the ``errno`` variable is set
59 - Maximum supported symbol rate reached.
61 Generic error codes are described at the
62 :ref:`Generic Error Codes <gen-errors>` chapter.