1 .. SPDX-License-Identifier: GPL-2.0
2
3 .. _GPIO_GET_CHIPINFO_IOCTL:
4
5 ***********************
6 GPIO_GET_CHIPINFO_IOCTL
7 ***********************
8
9 Name
10 ====
11
12 GPIO_GET_CHIPINFO_IOCTL - Get the publicly ava
13
14 Synopsis
15 ========
16
17 .. c:macro:: GPIO_GET_CHIPINFO_IOCTL
18
19 ``int ioctl(int chip_fd, GPIO_GET_CHIPINFO_IOC
20
21 Arguments
22 =========
23
24 ``chip_fd``
25 The file descriptor of the GPIO character
26
27 ``info``
28 The :c:type:`chip_info<gpiochip_info>` to
29
30 Description
31 ===========
32
33 Gets the publicly available information for a
34
35 Return Value
36 ============
37
38 On success 0 and ``info`` is populated with th
39
40 On error -1 and the ``errno`` variable is set
41 Common error codes are described in error-code
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