1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1. 1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: RC 2 .. c:namespace:: RC
3 3
4 .. _lirc_set_wideband_receiver: 4 .. _lirc_set_wideband_receiver:
5 5
6 ******************************** 6 ********************************
7 ioctl LIRC_SET_WIDEBAND_RECEIVER 7 ioctl LIRC_SET_WIDEBAND_RECEIVER
8 ******************************** 8 ********************************
9 9
10 Name 10 Name
11 ==== 11 ====
12 12
13 LIRC_SET_WIDEBAND_RECEIVER - enable wide band 13 LIRC_SET_WIDEBAND_RECEIVER - enable wide band receiver.
14 14
15 Synopsis 15 Synopsis
16 ======== 16 ========
17 17
18 .. c:macro:: LIRC_SET_WIDEBAND_RECEIVER 18 .. c:macro:: LIRC_SET_WIDEBAND_RECEIVER
19 19
20 ``int ioctl(int fd, LIRC_SET_WIDEBAND_RECEIVER 20 ``int ioctl(int fd, LIRC_SET_WIDEBAND_RECEIVER, __u32 *enable)``
21 21
22 Arguments 22 Arguments
23 ========= 23 =========
24 24
25 ``fd`` 25 ``fd``
26 File descriptor returned by open(). 26 File descriptor returned by open().
27 27
28 ``enable`` 28 ``enable``
29 enable = 1 means enable wideband receiver, 29 enable = 1 means enable wideband receiver, enable = 0 means disable
30 wideband receiver. 30 wideband receiver.
31 31
32 Description 32 Description
33 =========== 33 ===========
34 34
35 Some receivers are equipped with special wide 35 Some receivers are equipped with special wide band receiver which is
36 intended to be used to learn output of existin 36 intended to be used to learn output of existing remote. This ioctl
37 allows enabling or disabling it. 37 allows enabling or disabling it.
38 38
39 This might be useful of receivers that have ot 39 This might be useful of receivers that have otherwise narrow band receiver
40 that prevents them to be used with some remote 40 that prevents them to be used with some remotes. Wide band receiver might
41 also be more precise. On the other hand its di 41 also be more precise. On the other hand its disadvantage it usually
42 reduced range of reception. 42 reduced range of reception.
43 43
44 .. note:: 44 .. note::
45 45
46 Wide band receiver might be implicitly ena 46 Wide band receiver might be implicitly enabled if you enable
47 carrier reports. In that case it will be d 47 carrier reports. In that case it will be disabled as soon as you disable
48 carrier reports. Trying to disable wide ba 48 carrier reports. Trying to disable wide band receiver while carrier
49 reports are active will do nothing. 49 reports are active will do nothing.
50 50
51 Return Value 51 Return Value
52 ============ 52 ============
53 53
54 On success 0 is returned, on error -1 and the 54 On success 0 is returned, on error -1 and the ``errno`` variable is set
55 appropriately. The generic error codes are des 55 appropriately. The generic error codes are described at the
56 :ref:`Generic Error Codes <gen-errors>` chapte 56 :ref:`Generic Error Codes <gen-errors>` chapter.
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