1 .. SPDX-License-Identifier: GPL-2.0
2
3 .. _GPIO_GET_LINEINFO_UNWATCH_IOCTL:
4
5 *******************************
6 GPIO_GET_LINEINFO_UNWATCH_IOCTL
7 *******************************
8
9 Name
10 ====
11
12 GPIO_GET_LINEINFO_UNWATCH_IOCTL - Disable watc
13 requested state and configuration information.
14
15 Synopsis
16 ========
17
18 .. c:macro:: GPIO_GET_LINEINFO_UNWATCH_IOCTL
19
20 ``int ioctl(int chip_fd, GPIO_GET_LINEINFO_UNW
21
22 Arguments
23 =========
24
25 ``chip_fd``
26 The file descriptor of the GPIO character
27
28 ``offset``
29 The offset of the line to no longer watch.
30
31 Description
32 ===========
33
34 Remove the line from the list of lines being w
35
36 This is the reverse of gpio-v2-get-lineinfo-wa
37 gpio-get-lineinfo-watch-ioctl.rst (v1).
38
39 Unwatching a line that is not watched is an er
40
41 First added in 5.7.
42
43 Return Value
44 ============
45
46 On success 0.
47
48 On error -1 and the ``errno`` variable is set
49 Common error codes are described in error-code
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