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#!/bin/bash
# Copyright (c) 2015 DisplayLink (UK) Ltd.
suspend_dlm()
{
#flush any bytes in pipe
while read -n 1 -t 1 SUSPEND_RESULT < /usr/lib/displaylink/PmMessagesPort_out; do : ; done;
#suspend DisplayLinkManager
echo "S" > /usr/lib/displaylink/PmMessagesPort_in
#wait until suspend of DisplayLinkManager finish
read -n 1 -t 10 SUSPEND_RESULT < /usr/lib/displaylink/PmMessagesPort_out
}
resume_dlm()
{
#resume DisplayLinkManager
echo "R" > /usr/lib/displaylink/PmMessagesPort_in
}
case "\$1/\$2" in
pre/*)
suspend_dlm
;;
post/*)
resume_dlm
;;
esac
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