userspace-api/gpio/chardev.rst

29 :ref:`gpio-v2-line-request`.
43 Lines are requested from the chip using gpio-v2-get-line-ioctl.rst
44 and the resulting line request is used to access the GPIO chip's lines or
58    Get Line <gpio-v2-get-line-ioctl>
60    Get Line Info <gpio-v2-get-lineinfo-ioctl>
61    Watch Line Info <gpio-v2-get-lineinfo-watch-ioctl>
62    Unwatch Line Info <gpio-get-lineinfo-unwatch-ioctl>
63    Read Line Info Changed Events <gpio-v2-lineinfo-changed-read>
65 .. _gpio-v2-line-request:
67 Line Request
70 Line requests are created by gpio-v2-get-line-ioctl.rst and provide
71 access to a set of requested lines.  The line request is exposed to userspace
73 :c:type:`request.fd<gpio_v2_line_request>` by gpio-v2-get-line-ioctl.rst.
75 Within this documentation, the line request file descriptor is referred to
81 The following operations may be performed on the line request:
86    Get Line Values <gpio-v2-line-get-values-ioctl>
87    Set Line Values <gpio-v2-line-set-values-ioctl>
88    Read Line Edge Events <gpio-v2-line-event-read>
89    Reconfigure Lines <gpio-v2-line-set-config-ioctl>