From db7f173f23469f500187cf087fbbf656c1a7db2d Mon Sep 17 00:00:00 2001
From: Roy Lee <roy_lee@accton.com>
Date: Fri, 15 Dec 2017 16:59:41 +0800
Subject: [PATCH] [Accton AS7712] Add sfp reset in driver and sfputil.py.
 (#1241)

Signed-off-by: roylee123 <roy_lee@accton.com>
---
 .../plugins/sfputil.py                        | 32 +++++++++++++++----
 .../broadcom/sonic-platform-modules-accton    |  2 +-
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/device/accton/x86_64-accton_as7712_32x-r0/plugins/sfputil.py b/device/accton/x86_64-accton_as7712_32x-r0/plugins/sfputil.py
index c13eecfd1759..1f2a66d64ccd 100644
--- a/device/accton/x86_64-accton_as7712_32x-r0/plugins/sfputil.py
+++ b/device/accton/x86_64-accton_as7712_32x-r0/plugins/sfputil.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 try:
+    import time
     from sonic_sfp.sfputilbase import SfpUtilBase 
 except ImportError, e:
     raise ImportError (str(e) + "- required module not found")
@@ -59,14 +60,33 @@ def __init__(self):
         SfpUtilBase.__init__(self)
 
     def reset(self, port_num):
-         return True
+        # Check for invalid port_num
+        if port_num < self._port_start or port_num > self._port_end:
+            return False
+
+        path = "/sys/bus/i2c/devices/{0}-0050/sfp_port_reset"
+        port_ps = path.format(self.port_to_i2c_mapping[port_num+1])
+          
+        try:
+            reg_file = open(port_ps, 'w')
+        except IOError as e:
+            print "Error: unable to open file: %s" % str(e)
+            return False
+
+        #toggle reset
+        reg_file.seek(0)
+        reg_file.write('1')
+        time.sleep(1)
+        reg_file.seek(0)
+        reg_file.write('0')
+        reg_file.close()
+        return True
+
     def set_low_power_mode(self, port_nuM, lpmode):
-         return True
-    def get_low_power_mode(self, port_num):
-         return True
+        raise NotImplementedErro
 
-#    def get_presence(self, port_num):
-#         return True
+    def get_low_power_mode(self, port_num):
+        raise NotImplementedErro
         
     def get_presence(self, port_num):
         # Check for invalid port_num
diff --git a/platform/broadcom/sonic-platform-modules-accton b/platform/broadcom/sonic-platform-modules-accton
index edfb5b2c1285..7ba26ec403c7 160000
--- a/platform/broadcom/sonic-platform-modules-accton
+++ b/platform/broadcom/sonic-platform-modules-accton
@@ -1 +1 @@
-Subproject commit edfb5b2c1285cbfd30d8a662ab738aee53a80439
+Subproject commit 7ba26ec403c7f0d0acb958f794311ac3fd1af9a1