Lines Matching full:line
12 GPIO_V2_GET_LINEINFO_WATCH_IOCTL - Enable watching a line for changes to its
30 the ``offset`` set to indicate the line to watch
35 Enable watching a line for changes to its request state and configuration
36 information. Changes to line info include a line being requested, released
40 Watching line info is not generally required, and would typically only be
43 The line info does NOT include the line value.
44 The line must be requested using gpio-v2-get-line-ioctl.rst to access
45 its value, and the line request can monitor a line for events using
46 gpio-v2-line-event-read.rst.
52 Once a watch is set, any changes to line info will generate events which can be
56 Adding a watch to a line that is already watched is an error (**EBUSY**).
64 On success 0 and ``info`` is populated with the current line info.