xref: /linux/Documentation/userspace-api/media/dvb/fe-diseqc-recv-slave-reply.rst (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2.. c:namespace:: DTV.fe
3
4.. _FE_DISEQC_RECV_SLAVE_REPLY:
5
6********************************
7ioctl FE_DISEQC_RECV_SLAVE_REPLY
8********************************
9
10Name
11====
12
13FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command
14
15Synopsis
16========
17
18.. c:macro:: FE_DISEQC_RECV_SLAVE_REPLY
19
20``int ioctl(int fd, FE_DISEQC_RECV_SLAVE_REPLY, struct dvb_diseqc_slave_reply *argp)``
21
22Arguments
23=========
24
25``fd``
26    File descriptor returned by :c:func:`open()`.
27
28``argp``
29    pointer to struct :c:type:`dvb_diseqc_slave_reply`.
30
31Description
32===========
33
34Receives reply from a DiSEqC 2.0 command.
35
36The received message is stored at the buffer pointed by ``argp``.
37
38Return Value
39============
40
41On success 0 is returned.
42
43On error -1 is returned, and the ``errno`` variable is set
44appropriately.
45
46Generic error codes are described at the
47:ref:`Generic Error Codes <gen-errors>` chapter.
48