From e6bb21db657d636eae5b0a4f2cc97e3ec33cd7b5 Mon Sep 17 00:00:00 2001
From: tommises <tommises@gmail.com>
Date: Fri, 24 Jun 2016 14:30:18 -0600
Subject: [PATCH] Leave some pins available for camera trigger GPIO.

---
 ROMFS/px4fmu_common/init.d/rcS | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index e6d95e59f7..ef0375ce82 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -298,6 +298,17 @@ then
 		set FMU_MODE gpio_serial
 	fi
 
+	if param greater TRIG_MODE 0
+	then
+		if [ $PWM_OUT == 1234 ]
+		then
+			if ver hwcmp PX4FMU_V4
+			then
+				set FMU_MODE pwm4
+			fi
+		fi
+	fi
+
 	if [ $HIL == yes ]
 	then
 		set OUTPUT_MODE hil