From ba54673280c29e20f1cf840a765e3d8d25ee7d72 Mon Sep 17 00:00:00 2001
From: nicwu-cel <nicwu@celestica.com>
Date: Thu, 8 Jul 2021 06:09:00 +0000
Subject: [PATCH] enable the emc2305 fan controller and NCP power controller
 30ms timeout mechanism

---
 .../debian/platform-modules-dx010.init              | 13 ++++++++++++-
 .../dx010/modules/emc2305.c                         |  6 ++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/platform/broadcom/sonic-platform-modules-cel/debian/platform-modules-dx010.init b/platform/broadcom/sonic-platform-modules-cel/debian/platform-modules-dx010.init
index 8ee3d4465588..21587bfbd3fd 100644
--- a/platform/broadcom/sonic-platform-modules-cel/debian/platform-modules-dx010.init
+++ b/platform/broadcom/sonic-platform-modules-cel/debian/platform-modules-dx010.init
@@ -147,7 +147,18 @@ start)
         sleep 0.1
         done
 
-        /bin/sh /usr/local/bin/platform_api_mgnt.sh init
+	bus_en=8
+	sleep 1
+	cfg_r=`i2cget -y -f 8 0x60 0xD1`
+	((cfg_w=$cfg_r+$bus_en))	
+	i2cset -y -f 8 0x60 0xD1 $cfg_w
+	sleep 1
+	cfg_r=`i2cget -y -f 9 0x20 0xD1`
+	((cfg_w=$cfg_r+$bus_en))	
+	i2cset -y -f 9 0x20 0xD1 $cfg_w
+	sleep 1
+
+	/bin/sh /usr/local/bin/platform_api_mgnt.sh init
 
         echo "done."
         ;;
diff --git a/platform/broadcom/sonic-platform-modules-cel/dx010/modules/emc2305.c b/platform/broadcom/sonic-platform-modules-cel/dx010/modules/emc2305.c
index b406a29fd9be..b7a85c17a332 100644
--- a/platform/broadcom/sonic-platform-modules-cel/dx010/modules/emc2305.c
+++ b/platform/broadcom/sonic-platform-modules-cel/dx010/modules/emc2305.c
@@ -742,6 +742,7 @@ emc2305_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	int status;
 	int i;
 	int fan_idx;
+	unsigned char dis_to = 0;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -EIO;
@@ -752,6 +753,11 @@ emc2305_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
+	
+	dis_to = i2c_smbus_read_byte_data(client, REG_CONFIGURATION);
+	dis_to &= 0xBF;
+	/* The SMBus timeout function is enabled */
+	(void)i2c_smbus_write_byte_data(client, REG_CONFIGURATION, dis_to);
 
 	status = i2c_smbus_read_byte_data(client, REG_PRODUCT_ID);
 	switch (status) {