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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/userspace-api/media/dvb/frontend_f_close.rst | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/userspace-api/media/dvb/frontend_f_close.rst')
-rw-r--r-- | Documentation/userspace-api/media/dvb/frontend_f_close.rst | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/dvb/frontend_f_close.rst b/Documentation/userspace-api/media/dvb/frontend_f_close.rst new file mode 100644 index 000000000..52c323a85 --- /dev/null +++ b/Documentation/userspace-api/media/dvb/frontend_f_close.rst @@ -0,0 +1,46 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.fe + +.. _frontend_f_close: + +*************************** +Digital TV frontend close() +*************************** + +Name +==== + +fe-close - Close a frontend device + +Synopsis +======== + +.. code-block:: c + + #include <unistd.h> + +.. c:function:: int close( int fd ) + +Arguments +========= + +``fd`` + File descriptor returned by :c:func:`open()`. + +Description +=========== + +This system call closes a previously opened front-end device. After +closing a front-end device, its corresponding hardware might be powered +down automatically. + +Return Value +============ + +On success 0 is returned. + +On error -1 is returned, and the ``errno`` variable is set +appropriately. + +Generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. |