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1.. SPDX-License-Identifier: GPL-2.02 3.. _GPIO_GET_LINEINFO_UNWATCH_IOCTL:4 5*******************************6GPIO_GET_LINEINFO_UNWATCH_IOCTL7*******************************8 9Name10====11 12GPIO_GET_LINEINFO_UNWATCH_IOCTL - Disable watching a line for changes to its13requested state and configuration information.14 15Synopsis16========17 18.. c:macro:: GPIO_GET_LINEINFO_UNWATCH_IOCTL19 20``int ioctl(int chip_fd, GPIO_GET_LINEINFO_UNWATCH_IOCTL, u32 *offset)``21 22Arguments23=========24 25``chip_fd``26 The file descriptor of the GPIO character device returned by `open()`.27 28``offset``29 The offset of the line to no longer watch.30 31Description32===========33 34Remove the line from the list of lines being watched on this ``chip_fd``.35 36This is the reverse of gpio-v2-get-lineinfo-watch-ioctl.rst (v2) and37gpio-get-lineinfo-watch-ioctl.rst (v1).38 39Unwatching a line that is not watched is an error (**EBUSY**).40 41First added in 5.7.42 43Return Value44============45 46On success 0.47 48On error -1 and the ``errno`` variable is set appropriately.49Common error codes are described in error-codes.rst.50