[bugfix][SZZT-75][V2X]PCB 156 is not pulled down

Change-Id: Iacb9f7533e7e19090bbeed481aaffec85f88b933
diff --git a/src/lynq/packages/apps/lynq-cv2x/src/cv2x-example.c b/src/lynq/packages/apps/lynq-cv2x/src/cv2x-example.c
index 820463e..0617174 100755
--- a/src/lynq/packages/apps/lynq-cv2x/src/cv2x-example.c
+++ b/src/lynq/packages/apps/lynq-cv2x/src/cv2x-example.c
@@ -12,6 +12,7 @@
     getcwd(pwd, 32);
     RLOGD("jenkins pwd %s\n", pwd);
     system("echo out 19 0 > /sys/devices/platform/10005000.pinctrl/mt_gpio");//just for clt
+    system("echo mode 19 0 > /sys/devices/platform/10005000.pinctrl/mt_gpio");//just for clt
     system("echo mode 93 0 > /sys/devices/platform/10005000.pinctrl/mt_gpio");
     system("echo mode 94 0 > /sys/devices/platform/10005000.pinctrl/mt_gpio");
     system("echo mode 95 0 > /sys/devices/platform/10005000.pinctrl/mt_gpio");