Merge pull request #1 from tigerfu000/202311_0_harden_sync_pr_#327_#334

[Sync PRs]:  Sync #327 #334 for sonic_xcvr enhancement

Author: bryan1978

sonic_platform_base/sonic_xcvr/api/public/cmis.py

@@ -1056,7 +1056,11 @@ def set_lpmode(self, lpmode):
                 # Force module transition to LowPwr under SW control
                 lpmode_val = lpmode_val | (1 << CmisApi.LowPwrRequestSW)
                 self.xcvr_eeprom.write(consts.MODULE_LEVEL_CONTROL, lpmode_val)
-                time.sleep(0.1)
+                for retries in range(50):
+                    if self.get_lpmode():
+                        break
+                    time.sleep(0.1)
+            
                 return self.get_lpmode()
             else:
                 # Force transition from LowPwr to HighPower state under SW control.
@@ -1066,7 +1070,8 @@ def set_lpmode(self, lpmode):
                 self.xcvr_eeprom.write(consts.MODULE_LEVEL_CONTROL, lpmode_val)
                 time.sleep(1)
                 mstate = self.get_module_state()
-                return True if mstate == 'ModuleReady' else False
+                return True if mstate == 'ModuleReady' or mstate=='ModulePwrUp' else False
+
         return False
 
     def get_loopback_capability(self):

sonic_platform_base/sonic_xcvr/xcvr_api_factory.py

@@ -96,8 +96,8 @@ def create_xcvr_api(self):
             mem_map = Sff8636MemMap(codes)
             xcvr_eeprom = XcvrEeprom(self.reader, self.writer, mem_map)
             api = Sff8636Api(xcvr_eeprom)
-        # QSFP+
-        elif id == 0x0D:
+        # QSFP+ or QSFP
+        elif id == 0x0D or id == 0x0C:
             revision_compliance = self._get_revision_compliance()
             if revision_compliance >= 3:
                 codes = Sff8636Codes