From 2cc06953fdbd31aef372c445219d089722f726be Mon Sep 17 00:00:00 2001
From: Yongqin Liu <yongqin.liu@linaro.org>
Date: Mon, 14 Sep 2015 13:47:40 +0800
Subject: evdevtest: fix failure for evdevtest

change to use getevent to find the input device added.
but leave one question here: why the number is different between
/devices/virtual/input/inputN and /dev/input/eventsN

Change-Id: If9ce07e7365e580e971309ad53349a48c78b1f34
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
---
 evdevtest/juice_evtest.c  |  2 +-
 evdevtest/juice_evtest.sh | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/evdevtest/juice_evtest.c b/evdevtest/juice_evtest.c
index 32ddf2b..d110cb8 100644
--- a/evdevtest/juice_evtest.c
+++ b/evdevtest/juice_evtest.c
@@ -18,7 +18,7 @@
 
 #define JUICE_ERROR(X) \
 		do \
-			printf("##Juice error: %s in %s at line %d ##\n", X, __FUNCTION__, __LINE__); \
+			printf("##Juice error: %s in %s at line %d ##: %s\n", X, __FUNCTION__, __LINE__, strerror(errno)); \
 		while(0)
 
 #define DELAY 10
diff --git a/evdevtest/juice_evtest.sh b/evdevtest/juice_evtest.sh
index 4f5f2e0..9c3dd20 100755
--- a/evdevtest/juice_evtest.sh
+++ b/evdevtest/juice_evtest.sh
@@ -7,6 +7,8 @@ if [ ! -e /system/modules/juice_input_test_module.ko ]; then
 	exit
 fi
 
+rmmod juice_input_test_module
+
 insmod /system/modules/juice_input_test_module.ko
 rc=$?
 if [ $rc -ne 0 ]; then
@@ -14,10 +16,21 @@ if [ $rc -ne 0 ]; then
 	exit
 fi
 
-N=`dmesg |grep Juice|awk -F '' '{print $NF}'`
+input_dev=""
+for dev in $(ls /dev/input/event*);do
+    if getevent -i "${dev}"|grep -q "Juice EVDEV Test Module"; then
+        input_dev=${dev}
+        break
+    fi
+done
+
+if [ -z "${input_dev}" ]; then
+    echo "Failed to find the input device for kernel evdev test"
+    exit 1
+fi
 
 echo "Evdev IOCTL CMD TEST START"
-juice_evtest -p /dev/input/event$N
+juice_evtest -p ${input_dev}
 rc=$?
 if [ $rc -ne 0 ]; then
 	echo "Evdev IOCTL CMD TEST FAIL!"
-- 
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