[xcvrd] Fix transceiver tuning issue (sonic-net#40)

Author: Sudharsan D.G

sonic-xcvrd/scripts/xcvrd

@@ -550,7 +550,7 @@ def get_media_val_str_from_dict(media_dict):
             media_str += lane_separator
     return media_str
 
-def get_media_val_str(num_logical_ports, lane_dict):
+def get_media_val_str(num_logical_ports, lane_dict, logical_idx):
     lane_str = "lane"
     logical_media_dict = {}
     num_lanes_on_port = len(lane_dict)
@@ -559,7 +559,7 @@ def get_media_val_str(num_logical_ports, lane_dict):
     # in breakout mode. So fetch the corresponding lanes from the file
     media_val_str = ''
     if (num_logical_ports > 1) and \
-       (num_lanes_on_port > num_logical_ports):
+       (num_lanes_on_port >= num_logical_ports):
         num_lanes_per_logical_port = num_lanes_on_port/num_logical_ports
         start_lane = logical_idx * num_lanes_per_logical_port
 
@@ -620,7 +620,8 @@ def notify_media_setting(logical_port_name, transceiver_dict,
         for media_key in media_dict:
             if type(media_dict[media_key]) is dict:
                 media_val_str = get_media_val_str(num_logical_ports, \
-                                                  media_dict[media_key])
+                                                  media_dict[media_key],
+                                                  logical_idx)
             else:
                 media_val_str = media_dict[media_key]
             fvs[index] = (str(media_key), str(media_val_str))