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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /Documentation/media/uapi/dvb/ca-get-descr-info.rst | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/media/uapi/dvb/ca-get-descr-info.rst')
-rw-r--r-- | Documentation/media/uapi/dvb/ca-get-descr-info.rst | 42 |
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 --- /dev/null +++ b/Documentation/media/uapi/dvb/ca-get-descr-info.rst @@ -0,0 +1,42 @@ +.. -*- 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. |