Fix Develco SMSZB-120 alarm with 4.0.5 firmware and add 3802968 (#5225)

* Added support for Namron 3802968 LED Filament Flex 5W CCT E27 Clear

* Fixed broken warning_simple for SMSZB-120 fw => 4.0.5

* Removed value.duration as it was not used

converters/toZigbee.js

@@ -369,8 +369,16 @@ const converters = {
     warning_simple: {
         key: ['alarm'],
         convertSet: async (entity, key, value, meta) => {
-            const alarmState = (value === 'OFF' ? 0 : 1);
-            const info = (3 << 6) + ((alarmState) << 2);
+            const alarmState = (value === 'alarm' || value === 'OFF' ? 0 : 1);
+
+            let info;
+            // For Develco SMSZB-120, introduced change in fw 4.0.5, tested backward with 4.0.4
+            if (['SMSZB-120'].includes(meta.mapped.model)) {
+                info = ((alarmState) << 7) + ((alarmState) << 6);
+            } else {
+                info = (3 << 6) + ((alarmState) << 2);
+            }
+
             await entity.command(
                 'ssIasWd',
                 'startWarning',

devices/namron.js

@@ -725,4 +725,12 @@ module.exports = [
             await reporting.bind(endpoint, coordinatorEndpoint, binds);
         },
     },
+    {
+        zigbeeModel: ['3802968'],
+        model: '3802968',
+        vendor: 'Namron',
+        description: 'LED Filament Flex 5W CCT E27 Clear',
+        extend: extend.light_onoff_brightness_colortemp({colorTempRange: [153, 555]}),
+        meta: {turnsOffAtBrightness1: true},
+    },
 ];