1 .. SPDX-License-Identifier: GFDL-1.1-no-invari 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.ca 2 .. c:namespace:: DTV.ca
3 3
4 .. _CA_RESET: 4 .. _CA_RESET:
5 5
6 ======== 6 ========
7 CA_RESET 7 CA_RESET
8 ======== 8 ========
9 9
10 Name 10 Name
11 ---- 11 ----
12 12
13 CA_RESET 13 CA_RESET
14 14
15 Synopsis 15 Synopsis
16 -------- 16 --------
17 17
18 .. c:macro:: CA_RESET 18 .. c:macro:: CA_RESET
19 19
20 ``int ioctl(fd, CA_RESET)`` 20 ``int ioctl(fd, CA_RESET)``
21 21
22 Arguments 22 Arguments
23 --------- 23 ---------
24 24
25 ``fd`` 25 ``fd``
26 File descriptor returned by a previous call 26 File descriptor returned by a previous call to :c:func:`open()`.
27 27
28 Description 28 Description
29 ----------- 29 -----------
30 30
31 Puts the Conditional Access hardware on its in 31 Puts the Conditional Access hardware on its initial state. It should
32 be called before start using the CA hardware. 32 be called before start using the CA hardware.
33 33
34 Return Value 34 Return Value
35 ------------ 35 ------------
36 36
37 On success 0 is returned. 37 On success 0 is returned.
38 38
39 On error -1 is returned, and the ``errno`` var 39 On error -1 is returned, and the ``errno`` variable is set
40 appropriately. 40 appropriately.
41 41
42 Generic error codes are described at the 42 Generic error codes are described at the
43 :ref:`Generic Error Codes <gen-errors>` chapte 43 :ref:`Generic Error Codes <gen-errors>` chapter.
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