From 0b3ac1d51e66ddb4ca1c08caacd3859f8776e0ac Mon Sep 17 00:00:00 2001
From: Yagami-Jiang <119273528+Yagami-Jiang@users.noreply.github.com>
Date: Wed, 23 Aug 2023 09:58:29 +0800
Subject: [PATCH] Update SwitchInternalPIDRegulation.py

---
 .../utils/FanControl/SwitchInternalPIDRegulation.py           | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/broadcom/sonic-platform-modules-cel/silverstone-v2/utils/FanControl/SwitchInternalPIDRegulation.py b/platform/broadcom/sonic-platform-modules-cel/silverstone-v2/utils/FanControl/SwitchInternalPIDRegulation.py
index 2697ffad7719..fda0923647dc 100755
--- a/platform/broadcom/sonic-platform-modules-cel/silverstone-v2/utils/FanControl/SwitchInternalPIDRegulation.py
+++ b/platform/broadcom/sonic-platform-modules-cel/silverstone-v2/utils/FanControl/SwitchInternalPIDRegulation.py
@@ -130,6 +130,10 @@ def pid_control(self):
         sw_temp = self.exception_data_handling()
         if not sw_temp:
             return DUTY_MAX
+        if sw_temp >= 124:    # TO power off Switch board
+            self.syslog.critical("If the Switch Internal temperature exceeds 124°, "
+                                 "the Switch board will be powered off. If you want to restore, do AC operation")
+            os.popen("i2cset -y -f 100 0x0d 0x26 0xfd")
         if len(T_LIST) < 2:
             T_LIST.append(float(sw_temp))
             self.syslog.debug("Init Switch Internal PID Control T_LIST:%s" % T_LIST)