1 files changed, 22 insertions, 0 deletions
diff --git a/system/displaylink/displaylink-sleep.sh b/system/displaylink/displaylink-sleep.sh
new file mode 100644
index 0000000000..b41e0dd1b7
--- /dev/null
+++ b/system/displaylink/displaylink-sleep.sh
@@ -0,0 +1,22 @@
+#!/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
+}