Merge branch 'for-5.11/elecom' into for-linus
[linux-2.6-microblaze.git] / Documentation / userspace-api / media / dvb / fe-diseqc-recv-slave-reply.rst
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 ********************************
7 ioctl FE_DISEQC_RECV_SLAVE_REPLY
8 ********************************
9
10 Name
11 ====
12
13 FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command
14
15 Synopsis
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
22 Arguments
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
31 Description
32 ===========
33
34 Receives reply from a DiSEqC 2.0 command.
35
36 The received message is stored at the buffer pointed by ``argp``.
37
38 Return Value
39 ============
40
41 On success 0 is returned.
42
43 On error -1 is returned, and the ``errno`` variable is set
44 appropriately.
45
46 Generic error codes are described at the
47 :ref:`Generic Error Codes <gen-errors>` chapter.