Merge tag 'dmaengine-4.14-rc1' of git://git.infradead.org/users/vkoul/slave-dma
[sfrench/cifs-2.6.git] / Documentation / media / uapi / dvb / fe-diseqc-recv-slave-reply.rst
1 .. -*- coding: utf-8; mode: rst -*-
2
3 .. _FE_DISEQC_RECV_SLAVE_REPLY:
4
5 ********************************
6 ioctl FE_DISEQC_RECV_SLAVE_REPLY
7 ********************************
8
9 Name
10 ====
11
12 FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command
13
14
15 Synopsis
16 ========
17
18 .. c:function:: int ioctl( int fd, FE_DISEQC_RECV_SLAVE_REPLY, struct dvb_diseqc_slave_reply *argp )
19     :name: FE_DISEQC_RECV_SLAVE_REPLY
20
21
22 Arguments
23 =========
24
25 ``fd``
26     File descriptor returned by :ref:`open() <frontend_f_open>`.
27
28 ``argp``
29     pointer to struct :c:type:`dvb_diseqc_slave_reply`.
30
31
32 Description
33 ===========
34
35 Receives reply from a DiSEqC 2.0 command.
36
37 The received message is stored at the buffer pointed by ``argp``.
38
39 Return Value
40 ============
41
42 On success 0 is returned.
43
44 On error -1 is returned, and the ``errno`` variable is set
45 appropriately.
46
47 Generic error codes are described at the
48 :ref:`Generic Error Codes <gen-errors>` chapter.