[media] ca-get-slot-info.rst: document struct ca_slot_info

  File descriptor returned by a previous call to :c:func:`open() <cec-open>`.

``info``

  Undocumented.

  Pointer to struct c:type:`ca_slot_info`.

.. _ca_slot_info_type:

.. flat-table:: ca_slot_info types

    :header-rows:  1

    :stub-columns: 0

    -

      - type

      - name

      - description

    -

       - CA_CI

       - 1

       - CI high level interface

    -

       - CA_CI_LINK

       - 2

       - CI link layer level interface

    -

       - CA_CI_PHYS

       - 4

       - CI physical layer level interface

    -

       - CA_DESCR

       - 8

       - built-in descrambler

    -

       - CA_SC

       - 128

       - simple smart card interface

.. _ca_slot_info_flag:

.. flat-table:: ca_slot_info flags

    :header-rows:  1

    :stub-columns: 0

    -

      - type

      - name

      - description

    -

       - CA_CI_MODULE_PRESENT

       - 1

       - module (or card) inserted

    -

       - CA_CI_MODULE_READY

       - 2

       -

.. c:type:: ca_slot_info

.. flat-table:: struct ca_slot_info

    :header-rows:  1

    :stub-columns: 0

    -

      - type

      - name

      - description

    -

       - int

       - num

       - slot number

    -

       - int

       - type

       - CA interface this slot supports, as defined at :ref:`ca_slot_info_type`.

    -

       - unsigned int

       - flags

       - flags as defined at :ref:`ca_slot_info_flag`.

Description