Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 42 insertions, 0 deletions

diff --git a/Documentation/media/uapi/dvb/ca-get-descr-info.rst b/Documentation/media/uapi/dvb/ca-get-descr-info.rst
new file mode 100644
index 000000000..e564fbb8d
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+++ b/Documentation/media/uapi/dvb/ca-get-descr-info.rst
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+.. -*- coding: utf-8; mode: rst -*-
+
+.. _CA_GET_DESCR_INFO:
+
+=================
+CA_GET_DESCR_INFO
+=================
+
+Name
+----
+
+CA_GET_DESCR_INFO
+
+
+Synopsis
+--------
+
+.. c:function:: int  ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)
+    :name: CA_GET_DESCR_INFO
+
+Arguments
+---------
+
+``fd``
+  File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`.
+
+``desc``
+  Pointer to struct :c:type:`ca_descr_info`.
+
+Description
+-----------
+
+Returns information about all descrambler slots.
+
+Return Value
+------------
+
+On success 0 is returned, and :c:type:`ca_descr_info` is filled.
+
+On error -1 is returned, and the ``errno`` variable is set
+appropriately. The generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.