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1.. SPDX-License-Identifier: GPL-2.02 3.. _GPIO_HANDLE_SET_LINE_VALUES_IOCTL:4 5*********************************6GPIO_HANDLE_SET_LINE_VALUES_IOCTL7*********************************8.. warning::9 This ioctl is part of chardev_v1.rst and is obsoleted by10 gpio-v2-line-set-values-ioctl.rst.11 12Name13====14 15GPIO_HANDLE_SET_LINE_VALUES_IOCTL - Set the values of all requested output lines.16 17Synopsis18========19 20.. c:macro:: GPIO_HANDLE_SET_LINE_VALUES_IOCTL21 22``int ioctl(int handle_fd, GPIO_HANDLE_SET_LINE_VALUES_IOCTL, struct gpiohandle_data *values)``23 24Arguments25=========26 27``handle_fd``28 The file descriptor of the GPIO character device, as returned in the29 :c:type:`request.fd<gpiohandle_request>` by gpio-get-linehandle-ioctl.rst.30 31``values``32 The :c:type:`line_values<gpiohandle_data>` to set.33 34Description35===========36 37Set the values of all requested output lines.38 39The values set are logical, indicating if the line is to be active or inactive.40The ``GPIOHANDLE_REQUEST_ACTIVE_LOW`` flag controls the mapping between logical41values (active/inactive) and physical values (high/low).42If ``GPIOHANDLE_REQUEST_ACTIVE_LOW`` is not set then active is high and43inactive is low. If ``GPIOHANDLE_REQUEST_ACTIVE_LOW`` is set then active is low44and inactive is high.45 46Only the values of output lines may be set.47Attempting to set the value of input lines is an error (**EPERM**).48 49Return Value50============51 52On success 0.53 54On error -1 and the ``errno`` variable is set appropriately.55Common error codes are described in error-codes.rst.56