35 lines
1.7 KiB
Bash
35 lines
1.7 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2017-2019, Digi International Inc.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, you can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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if basename "${DEVPATH}" | grep -qs "gpiochip0$"; then
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# Use 'gpiochip0' event to set group and mode for 'export/unexport' files
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chown root:digiapix /sys/class/gpio/export /sys/class/gpio/unexport
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chmod g+w /sys/class/gpio/export /sys/class/gpio/unexport
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elif basename "${DEVPATH}" | grep -qs "pwmchip[0-9]\+$" && [ "${ACTION}" = "add" ] ; then
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# Set group and mode for pwmchip's 'export/unexport' files
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chown root:digiapix /sys${DEVPATH}/export /sys${DEVPATH}/unexport
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chmod g+w /sys${DEVPATH}/export /sys${DEVPATH}/unexport
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elif basename "${DEVPATH}" | grep -qs "pwmchip[0-9]\+$" && [ "${ACTION}" = "change" ] ; then
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# Set group and mode for 'pwmX' channel and all files inside it...
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chown root:digiapix /sys${DEVPATH}/${EXPORT} /sys${DEVPATH}/${EXPORT}/*
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chmod g+w /sys${DEVPATH}/${EXPORT}/*
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else
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# Change group and mode of the sysfs files
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chown -h root:digiapix /sys${DEVPATH}/*
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chmod g+w /sys${DEVPATH}/*
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fi
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