Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/Documentation/media/uapi/dvb/ca-get-slot-info.rst b/Documentation/media/uapi/dvb/ca-get-slot-info.rst
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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _CA_GET_SLOT_INFO:
+
+================
+CA_GET_SLOT_INFO
+================
+
+Name
+----
+
+CA_GET_SLOT_INFO
+
+
+Synopsis
+--------
+
+.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)
+    :name: CA_GET_SLOT_INFO
+
+
+Arguments
+---------
+
+``fd``
+  File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
+
+``info``
+  Pointer to struct :c:type:`ca_slot_info`.
+
+Description
+-----------
+
+Returns information about a CA slot identified by
+:c:type:`ca_slot_info`.slot_num.
+
+
+Return Value
+------------
+
+On success 0 is returned, and :c:type:`ca_slot_info` is filled.
+
+On error -1 is returned, and the ``errno`` variable is set
+appropriately.
+
+.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
+
+.. flat-table::
+    :header-rows:  0
+    :stub-columns: 0
+    :widths: 1 16
+
+    -  -  ``ENODEV``
+       -  the slot is not available.
+
+The generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.