From 5d98c31830ba49952ca0978da74b54e0b5655a8f Mon Sep 17 00:00:00 2001
From: Brian Kim <brian.kim@hardkernel.com>
Date: Thu, 9 Feb 2017 17:41:07 +0900
Subject: [PATCH] wiringPi : support adc file for 4.9.x kernel

---
 wiringPi/wiringPi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/wiringPi/wiringPi.c b/wiringPi/wiringPi.c
index 3f6bcff..3b01469 100755
--- a/wiringPi/wiringPi.c
+++ b/wiringPi/wiringPi.c
@@ -68,6 +68,7 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <sys/ioctl.h>
+#include <linux/version.h>
 
 #include "softPwm.h"
 #include "softTone.h"
@@ -673,8 +674,13 @@ static int adcFds [2] = {
 #define GPIO_B3_PUD_OFFSET  0x00C8
 #define GPIO_B3_END         214
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,0)
+#define piAinNode0_xu   "/sys/devices/platform/soc:/12d10000.adc:/iio:device0/in_voltage0_raw"
+#define piAinNode1_xu   "/sys/devices/platform/soc:/12d10000.adc:/iio:device0/in_voltage3_raw"
+#else
 #define piAinNode0_xu   "/sys/devices/12d10000.adc/iio:device0/in_voltage0_raw"
 #define piAinNode1_xu   "/sys/devices/12d10000.adc/iio:device0/in_voltage3_raw"
+#endif
 
 static int  piModel = PI_MODEL_UNKNOWN;