diff --git a/prebuilts/bin/vasott_script.sh b/prebuilts/bin/vasott_script.sh
index 1c32848..c3a0c1b 100755
--- a/prebuilts/bin/vasott_script.sh
+++ b/prebuilts/bin/vasott_script.sh
@@ -3,6 +3,9 @@
 pverifier_disable=""
 stop_skbtv=""
 stop_upgrade=""
+reset_stop_hpd=0
+ledcolor=""
+sys_boot_reason_last=""
 
 while [ true ]; do
 
@@ -39,6 +42,24 @@ while [ true ]; do
         fi
         setprop vendor.vasott.cecotp 2
     fi
+
+    if [ "x$reset_stop_hpd" != "x1" ]; then
+        sys_boot_reason_last=$(cat /proc/cmdline | grep -o 'reboot_mode=[^ ]*' | sed 's/reboot_mode=//')
+        if [[ "$sys_boot_reason_last" == *"system_reset"* ]]; then
+            ledcolor=`getprop vendor.vasott.ledcolor`
+            if [ "x$ledcolor" = "x2" ]; then    # 2 = green light = standby mode
+                echo 1 > /sys/devices/virtual/amhdmitx/amhdmitx0/stop_hpd
+                sleep 0.1
+                echo 0 > /sys/devices/virtual/amhdmitx/amhdmitx0/stop_hpd
+                reset_stop_hpd=1;
+                echo -e "\n Reset stop_hpd when reboot with system_reset\n" > /dev/console
+            fi
+        else
+            echo -e "\n Reset stop_hpd disable: ${sys_boot_reason_last}" > /dev/console
+            reset_stop_hpd=1;
+        fi
+    fi
+
     sleep 1
 
 done
diff --git a/sepolicy/vasott_script.te b/sepolicy/vasott_script.te
index 26af757..6b1fc15 100644
--- a/sepolicy/vasott_script.te
+++ b/sepolicy/vasott_script.te
@@ -26,3 +26,8 @@ allow vasott_script toolbox_exec:file { execute execute_no_trans getattr open re
 allow vasott_script activity_service:service_manager find;
 
 allow vasott_script package_service:service_manager find;
+
+allow vasott_script sysfs_cec:file { write open };
+allow vasott_script sysfs_amhdmitx:dir search;
+allow vasott_script vendor_platform_prop:file { open read getattr };
+allow vasott_script proc_cmdline:file { open read };