From 834c91b192802e2c0237fffc9bb6970d32551c2e Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 20 Oct 2014 07:07:14 +1100
Subject: [PATCH] PX4: try starting the ll40ls on either I2C bus

---
 mk/PX4/ROMFS/init.d/rc.APM | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/mk/PX4/ROMFS/init.d/rc.APM b/mk/PX4/ROMFS/init.d/rc.APM
index 5a9010f87b..671fcf9bd0 100644
--- a/mk/PX4/ROMFS/init.d/rc.APM
+++ b/mk/PX4/ROMFS/init.d/rc.APM
@@ -319,9 +319,14 @@ then
 fi
 
 # optional Range Finder sensor
-if ll40ls start
+if ll40ls -X start
 then
-    echo "Found ll40ls sensor"
+    echo "Found external ll40ls sensor"
+fi
+
+if ll40ls -I start
+then
+    echo "Found internal ll40ls sensor"
 fi
 
 if mb12xx start