1 files changed, 32 insertions, 0 deletions
diff --git a/displaylink-sleep.sh b/displaylink-sleep.sh
new file mode 100644
index 000000000000..b47d5fd2d45d
--- /dev/null
+++ b/displaylink-sleep.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+# Copyright (c) 2015 - 2016 DisplayLink (UK) Ltd.
+
+suspend_dlm()
+{
+  #flush any bytes in pipe
+  while read -n 1 -t 1 SUSPEND_RESULT < /tmp/PmMessagesPort_out; do : ; done;
+
+  #suspend DisplayLinkManager
+  echo "S" > /tmp/PmMessagesPort_in
+
+  if [ -f /tmp/PmMessagesPort_out ]; then
+    #wait until suspend of DisplayLinkManager finish
+    read -n 1 -t 10 SUSPEND_RESULT < /tmp/PmMessagesPort_out
+  fi
+}
+
+resume_dlm()
+{
+  #resume DisplayLinkManager
+  echo "R" > /tmp/PmMessagesPort_in
+}
+
+case "\$1/\$2" in
+  pre/*)
+    suspend_dlm
+    ;;
+  post/*)
+    resume_dlm
+    ;;
+esac
+