55 lines
981 B
Plaintext
55 lines
981 B
Plaintext
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#!/usr/bin/env bash
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# Copyright (c) 2015 - 2019 DisplayLink (UK) Ltd.
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suspend_displaylink-driver()
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{
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#flush any bytes in pipe
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while read -n 1 -t 1 SUSPEND_RESULT < /tmp/PmMessagesPort_out; do : ; done;
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#suspend DisplayLinkManager
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echo "S" > /tmp/PmMessagesPort_in
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if [[ -p /tmp/PmMessagesPort_out ]]; then
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#wait until suspend of DisplayLinkManager finish
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read -n 1 -t 10 SUSPEND_RESULT < /tmp/PmMessagesPort_out
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fi
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}
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resume_displaylink-driver()
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{
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#resume DisplayLinkManager
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echo "R" > /tmp/PmMessagesPort_in
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}
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main_systemd()
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{
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case "$1/$2" in
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pre/*)
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suspend_displaylink-driver
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;;
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post/*)
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resume_displaylink-driver
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;;
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esac
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}
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main_pm()
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{
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case "$1" in
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suspend|hibernate)
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suspend_displaylink-driver
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;;
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resume|thaw)
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resume_displaylink-driver
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;;
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esac
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true
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}
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DIR=$(cd "$(dirname "$0")" && pwd)
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if [[ $DIR == *systemd* ]]; then
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main_systemd "$@"
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elif [[ $DIR == *pm* ]]; then
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main_pm "$@"
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fi
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