[core] Add a default label to the switches clang-tidy 23 flags as not covering every path (#21338)

esphome/components/adc/adc_sensor_zephyr.cpp

@@ -111,6 +111,8 @@ static const LogString *input_to_str(uint8_t input) {
       return LOG_STR("VDD");
     case NRF_SAADC_INPUT_VDDHDIV5:
       return LOG_STR("VDDHDIV5");
+    default:
+      break;
   }
   return LOG_STR("undefined input");
 }

esphome/components/airton/airton.cpp

@@ -261,6 +261,8 @@ void AirtonClimate::parse_state_frame_(const uint8_t *frame) {
     case AIRTON_FAN_AUTO:
       this->fan_mode = climate::CLIMATE_FAN_AUTO;
       break;
+    default:
+      break;
   }
 
   this->target_temperature = (frame[3] & 0b00001111) + AIRTON_TEMP_MIN;

esphome/components/api/api_pb2.cpp

@@ -25,6 +25,8 @@ void HelloRequest::decode_field(void *self, uint32_t tag, const uint8_t *data, p
       msg.outgoing_connection_target = value.as_bool();
       break;
 #endif
+    default:
+      break;
   }
 }
 uint8_t *HelloResponse::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -51,6 +53,8 @@ void DisconnectRequest::decode_field(void *self, uint32_t tag, const uint8_t *da
     case proto_tag(1, WIRE_TYPE_VARINT):
       msg.reason = static_cast<enums::DisconnectReason>(value.as_varint());
       break;
+    default:
+      break;
   }
 }
 uint8_t *DisconnectRequest::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -396,6 +400,8 @@ void WizardInputSetRequest::decode_field(void *self, uint32_t tag, const uint8_t
     case proto_tag(2, WIRE_TYPE_LENGTH_DELIMITED):
       msg.entity_id = StringRef(value.data(), value.size());
       break;
+    default:
+      break;
   }
 }
 #endif
@@ -559,6 +565,8 @@ void CoverCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *
     case proto_tag(10, WIRE_TYPE_VARINT):
       msg.stop_tilt = value.as_bool();
       break;
+    default:
+      break;
   }
 }
 #endif
@@ -679,6 +687,8 @@ void FanCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *da
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -885,6 +895,8 @@ void LightCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -1028,6 +1040,8 @@ void SwitchCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -1098,6 +1112,8 @@ void SubscribeLogsRequest::decode_field(void *self, uint32_t tag, const uint8_t
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.dump_config = value.as_bool();
       break;
+    default:
+      break;
   }
 }
 __attribute__((optimize("O2")))  // NOLINT(clang-diagnostic-unknown-attributes)
@@ -1127,6 +1143,8 @@ void NoiseEncryptionSetKeyRequest::decode_field(void *self, uint32_t tag, const
       msg.key = value.data();
       msg.key_len = value.size();
       break;
+    default:
+      break;
   }
 }
 uint8_t *NoiseEncryptionSetKeyResponse::encode_msg(const void *self,
@@ -1233,6 +1251,8 @@ void HomeassistantActionResponse::decode_field(void *self, uint32_t tag, const u
       msg.response_data_len = value.size();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -1267,6 +1287,8 @@ void HomeAssistantStateResponse::decode_field(void *self, uint32_t tag, const ui
     case proto_tag(3, WIRE_TYPE_LENGTH_DELIMITED):
       msg.attribute = StringRef(value.data(), value.size());
       break;
+    default:
+      break;
   }
 }
 #endif
@@ -1292,6 +1314,8 @@ void DSTRule::decode_field(void *self, uint32_t tag, const uint8_t *data, proto_
     case proto_tag(6, WIRE_TYPE_VARINT):
       msg.day_of_week = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 void ParsedTimezone::decode_field(void *self, uint32_t tag, const uint8_t *data, proto_varint_value_t scalar) {
@@ -1310,6 +1334,8 @@ void ParsedTimezone::decode_field(void *self, uint32_t tag, const uint8_t *data,
     case proto_tag(4, WIRE_TYPE_LENGTH_DELIMITED):
       value.decode_to_message(msg.dst_end);
       break;
+    default:
+      break;
   }
 }
 void GetTimeResponse::decode_field(void *self, uint32_t tag, const uint8_t *data, proto_varint_value_t scalar) {
@@ -1323,6 +1349,8 @@ void GetTimeResponse::decode_field(void *self, uint32_t tag, const uint8_t *data
       value.decode_to_message(msg.parsed_timezone);
       msg.has_parsed_timezone = true;
       break;
+    default:
+      break;
   }
 }
 #ifdef USE_API_USER_DEFINED_ACTIONS
@@ -1413,6 +1441,8 @@ void ExecuteServiceArgument::decode_field(void *self, uint32_t tag, const uint8_
     case proto_tag(9, WIRE_TYPE_LENGTH_DELIMITED):
       msg.string_array.push_back(value.as_string());
       break;
+    default:
+      break;
   }
 }
 void ExecuteServiceArgument::decode(const uint8_t *buffer, size_t length) {
@@ -1447,6 +1477,8 @@ void ExecuteServiceRequest::decode_field(void *self, uint32_t tag, const uint8_t
       msg.return_response = value.as_bool();
       break;
 #endif
+    default:
+      break;
   }
 }
 void ExecuteServiceRequest::decode(const uint8_t *buffer, size_t length) {
@@ -1541,6 +1573,8 @@ void CameraImageRequest::decode_field(void *self, uint32_t tag, const uint8_t *d
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.stream = value.as_bool();
       break;
+    default:
+      break;
   }
 }
 #endif
@@ -1777,6 +1811,8 @@ void ClimateCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -1905,6 +1941,8 @@ void WaterHeaterCommandRequest::decode_field(void *self, uint32_t tag, const uin
     case proto_tag(8, WIRE_TYPE_FIXED32):
       msg.target_temperature_high = value.as_float();
       break;
+    default:
+      break;
   }
 }
 #endif
@@ -1996,6 +2034,8 @@ void NumberCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -2075,6 +2115,8 @@ void SelectCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -2177,6 +2219,8 @@ void SirenCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -2260,6 +2304,8 @@ void LockCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *d
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -2309,6 +2355,8 @@ void ButtonCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -2436,6 +2484,8 @@ void MediaPlayerCommandRequest::decode_field(void *self, uint32_t tag, const uin
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -2448,6 +2498,8 @@ void SubscribeBluetoothLEAdvertisementsRequest::decode_field(void *self, uint32_
     case proto_tag(1, WIRE_TYPE_VARINT):
       msg.flags = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 __attribute__((optimize("O2")))  // NOLINT(clang-diagnostic-unknown-attributes)
@@ -2506,6 +2558,8 @@ void BluetoothDeviceRequest::decode_field(void *self, uint32_t tag, const uint8_
     case proto_tag(4, WIRE_TYPE_VARINT):
       msg.address_type = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 uint8_t *BluetoothDeviceConnectionResponse::encode_msg(const void *self,
@@ -2534,6 +2588,8 @@ void BluetoothGATTGetServicesRequest::decode_field(void *self, uint32_t tag, con
     case proto_tag(1, WIRE_TYPE_VARINT):
       msg.address = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 uint8_t *BluetoothGATTDescriptor::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -2660,6 +2716,8 @@ void BluetoothGATTReadRequest::decode_field(void *self, uint32_t tag, const uint
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.handle = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 uint8_t *BluetoothGATTReadResponse::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -2695,6 +2753,8 @@ void BluetoothGATTWriteRequest::decode_field(void *self, uint32_t tag, const uin
       msg.data = value.data();
       msg.data_len = value.size();
       break;
+    default:
+      break;
   }
 }
 void BluetoothGATTReadDescriptorRequest::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -2708,6 +2768,8 @@ void BluetoothGATTReadDescriptorRequest::decode_field(void *self, uint32_t tag,
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.handle = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 void BluetoothGATTWriteDescriptorRequest::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -2725,6 +2787,8 @@ void BluetoothGATTWriteDescriptorRequest::decode_field(void *self, uint32_t tag,
       msg.data = value.data();
       msg.data_len = value.size();
       break;
+    default:
+      break;
   }
 }
 void BluetoothGATTNotifyRequest::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -2741,6 +2805,8 @@ void BluetoothGATTNotifyRequest::decode_field(void *self, uint32_t tag, const ui
     case proto_tag(3, WIRE_TYPE_VARINT):
       msg.enable = value.as_bool();
       break;
+    default:
+      break;
   }
 }
 uint8_t *BluetoothGATTNotifyDataResponse::encode_msg(const void *self,
@@ -2898,6 +2964,8 @@ void BluetoothScannerSetModeRequest::decode_field(void *self, uint32_t tag, cons
     case proto_tag(1, WIRE_TYPE_VARINT):
       msg.mode = static_cast<enums::BluetoothScannerMode>(value.as_varint());
       break;
+    default:
+      break;
   }
 }
 #endif
@@ -2913,6 +2981,8 @@ void SubscribeVoiceAssistantRequest::decode_field(void *self, uint32_t tag, cons
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.flags = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 uint8_t *VoiceAssistantAudioSettings::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -2961,6 +3031,8 @@ void VoiceAssistantResponse::decode_field(void *self, uint32_t tag, const uint8_
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.error = value.as_bool();
       break;
+    default:
+      break;
   }
 }
 void VoiceAssistantEventData::decode_field(void *self, uint32_t tag, const uint8_t *data, proto_varint_value_t scalar) {
@@ -2973,6 +3045,8 @@ void VoiceAssistantEventData::decode_field(void *self, uint32_t tag, const uint8
     case proto_tag(2, WIRE_TYPE_LENGTH_DELIMITED):
       msg.value = StringRef(value.data(), value.size());
       break;
+    default:
+      break;
   }
 }
 void VoiceAssistantEventResponse::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -2987,6 +3061,8 @@ void VoiceAssistantEventResponse::decode_field(void *self, uint32_t tag, const u
       msg.data.emplace_back();
       value.decode_to_message(msg.data.back());
       break;
+    default:
+      break;
   }
 }
 void VoiceAssistantAudio::decode_field(void *self, uint32_t tag, const uint8_t *data, proto_varint_value_t scalar) {
@@ -3004,6 +3080,8 @@ void VoiceAssistantAudio::decode_field(void *self, uint32_t tag, const uint8_t *
       msg.data2 = value.data();
       msg.data2_len = value.size();
       break;
+    default:
+      break;
   }
 }
 uint8_t *VoiceAssistantAudio::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -3044,6 +3122,8 @@ void VoiceAssistantTimerEventResponse::decode_field(void *self, uint32_t tag, co
     case proto_tag(6, WIRE_TYPE_VARINT):
       msg.is_active = value.as_bool();
       break;
+    default:
+      break;
   }
 }
 void VoiceAssistantAnnounceRequest::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -3063,6 +3143,8 @@ void VoiceAssistantAnnounceRequest::decode_field(void *self, uint32_t tag, const
     case proto_tag(4, WIRE_TYPE_VARINT):
       msg.start_conversation = value.as_bool();
       break;
+    default:
+      break;
   }
 }
 uint8_t *VoiceAssistantAnnounceFinished::encode_msg(const void *self,
@@ -3124,6 +3206,8 @@ void VoiceAssistantExternalWakeWord::decode_field(void *self, uint32_t tag, cons
     case proto_tag(7, WIRE_TYPE_LENGTH_DELIMITED):
       msg.url = StringRef(value.data(), value.size());
       break;
+    default:
+      break;
   }
 }
 void VoiceAssistantConfigurationRequest::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -3135,6 +3219,8 @@ void VoiceAssistantConfigurationRequest::decode_field(void *self, uint32_t tag,
       msg.external_wake_words.emplace_back();
       value.decode_to_message(msg.external_wake_words.back());
       break;
+    default:
+      break;
   }
 }
 uint8_t *VoiceAssistantConfigurationResponse::encode_msg(const void *self,
@@ -3173,6 +3259,8 @@ void VoiceAssistantSetConfiguration::decode_field(void *self, uint32_t tag, cons
     case proto_tag(1, WIRE_TYPE_LENGTH_DELIMITED):
       msg.active_wake_words.push_back(value.as_string());
       break;
+    default:
+      break;
   }
 }
 #endif
@@ -3254,6 +3342,8 @@ void AlarmControlPanelCommandRequest::decode_field(void *self, uint32_t tag, con
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -3333,6 +3423,8 @@ void TextCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *d
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -3414,6 +3506,8 @@ void DateCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *d
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -3495,6 +3589,8 @@ void TimeCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *d
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -3644,6 +3740,8 @@ void ValveCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t *
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -3718,6 +3816,8 @@ void DateTimeCommandRequest::decode_field(void *self, uint32_t tag, const uint8_
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -3807,6 +3907,8 @@ void UpdateCommandRequest::decode_field(void *self, uint32_t tag, const uint8_t
       msg.device_id = value.as_varint();
       break;
 #endif
+    default:
+      break;
   }
 }
 #endif
@@ -3819,6 +3921,8 @@ void ZWaveProxyFrame::decode_field(void *self, uint32_t tag, const uint8_t *data
       msg.data = value.data();
       msg.data_len = value.size();
       break;
+    default:
+      break;
   }
 }
 __attribute__((optimize("O2")))  // NOLINT(clang-diagnostic-unknown-attributes)
@@ -3845,6 +3949,8 @@ void ZWaveProxyRequest::decode_field(void *self, uint32_t tag, const uint8_t *da
       msg.data = value.data();
       msg.data_len = value.size();
       break;
+    default:
+      break;
   }
 }
 uint8_t *ZWaveProxyRequest::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -3940,6 +4046,8 @@ void InfraredRFTransmitRawTimingsRequest::decode_field(void *self, uint32_t tag,
     case proto_tag(6, WIRE_TYPE_VARINT):
       msg.modulation = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 __attribute__((optimize("O2")))  // NOLINT(clang-diagnostic-unknown-attributes)
@@ -4056,6 +4164,8 @@ void SerialProxyConfigureRequest::decode_field(void *self, uint32_t tag, const u
     case proto_tag(6, WIRE_TYPE_VARINT):
       msg.data_size = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 __attribute__((optimize("O2")))  // NOLINT(clang-diagnostic-unknown-attributes)
@@ -4084,6 +4194,8 @@ void SerialProxyWriteRequest::decode_field(void *self, uint32_t tag, const uint8
       msg.data = value.data();
       msg.data_len = value.size();
       break;
+    default:
+      break;
   }
 }
 void SerialProxySetModemPinsRequest::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -4097,6 +4209,8 @@ void SerialProxySetModemPinsRequest::decode_field(void *self, uint32_t tag, cons
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.line_states = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 void SerialProxyGetModemPinsRequest::decode_field(void *self, uint32_t tag, const uint8_t *data,
@@ -4107,6 +4221,8 @@ void SerialProxyGetModemPinsRequest::decode_field(void *self, uint32_t tag, cons
     case proto_tag(1, WIRE_TYPE_VARINT):
       msg.instance = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 uint8_t *SerialProxyGetModemPinsResponse::encode_msg(const void *self,
@@ -4135,6 +4251,8 @@ void SerialProxyRequest::decode_field(void *self, uint32_t tag, const uint8_t *d
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.type = static_cast<enums::SerialProxyRequestType>(value.as_varint());
       break;
+    default:
+      break;
   }
 }
 uint8_t *SerialProxyRequestResponse::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -4165,6 +4283,8 @@ void SerialProxySetModeRequest::decode_field(void *self, uint32_t tag, const uin
     case proto_tag(2, WIRE_TYPE_VARINT):
       msg.mode = static_cast<enums::SerialProxyMode>(value.as_varint());
       break;
+    default:
+      break;
   }
 }
 uint8_t *UsbDeviceDescriptor::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {
@@ -4233,6 +4353,8 @@ void BluetoothSetConnectionParamsRequest::decode_field(void *self, uint32_t tag,
     case proto_tag(5, WIRE_TYPE_VARINT):
       msg.timeout = value.as_varint();
       break;
+    default:
+      break;
   }
 }
 uint8_t *BluetoothSetConnectionParamsResponse::encode_msg(const void *self,

esphome/components/ballu/ballu.cpp

@@ -168,6 +168,8 @@ bool BalluClimate::on_receive(remote_base::RemoteReceiveData data) {
       case BALLU_AUTO:
         this->mode = climate::CLIMATE_MODE_AUTO;
         break;
+      default:
+        break;
     }
   }
 

esphome/components/bluetooth_connection/bluetooth_connection_bluedroid.cpp

@@ -268,6 +268,7 @@ int BluedroidGattClient::discover_services() {
     case SearchState::REPORT_PENDING:
       return 0;  // One completion is already owed to this claimant.
     case SearchState::NONE:
+    default:
       break;
   }
   int err = this->check_and_log_error_("esp_ble_gattc_search_service",

esphome/components/bmi160/bmi160.cpp

@@ -123,7 +123,7 @@ void BMI160Component::internal_setup_(int stage) {
 
 bool BMI160Component::setup_stage_(int stage) {
   switch (stage) {
-    case 0:
+    case 0: {
       uint8_t chipid;
       if (!this->read_byte(BMI160_REGISTER_CHIPID, &chipid) || (chipid != 0b11010001)) {
         return false;
@@ -138,7 +138,7 @@ bool BMI160Component::setup_stage_(int stage) {
       // min 5ms, 10ms
       this->set_timeout(10, [this]() { this->internal_setup_(1); });
       break;
-
+    }
     case 1:
       ESP_LOGV(TAG, "  Bringing gyroscope out of sleep");
       if (!this->write_byte(BMI160_REGISTER_CMD, (uint8_t) Cmd::GYRO_SET_PMU_MODE | (uint8_t) GyroPmuMode::NORMAL)) {
@@ -149,7 +149,7 @@ bool BMI160Component::setup_stage_(int stage) {
       this->set_timeout(GYRO_WAKEUP_TIMEOUT_MS, [this]() { this->internal_setup_(2); });
       break;
 
-    case 2:
+    case 2: {
       ESP_LOGV(TAG, "  Setting up Gyro Config");
       uint8_t gyro_config = (uint8_t) GyroBandwidth::OSR4 | (uint8_t) GyroOuputDataRate::HZ_25;
       ESP_LOGV(TAG, "  Output gyro_config: 0b" BYTE_TO_BINARY_PATTERN, BYTE_TO_BINARY(gyro_config));
@@ -178,6 +178,10 @@ bool BMI160Component::setup_stage_(int stage) {
       }
 
       this->setup_complete_ = true;
+      break;
+    }
+    default:
+      break;
   }
   return true;
 }

esphome/components/cse7761/cse7761.cpp

@@ -175,6 +175,8 @@ uint32_t CSE7761Component::coefficient_by_unit_(uint32_t unit) {
     case POWER_PAC:
       coeff = this->data_.coefficient[POWER_PAC] * scale;
       return coeff ? 0x80000000 / coeff : 0;
+    default:
+      break;
   }
   return 0;
 }

esphome/components/debug/debug_zephyr.cpp

@@ -156,6 +156,8 @@ static const char *regout0_to_str(uint32_t value) {
       return "3.0V";
     case (UICR_REGOUT0_VOUT_3V3):
       return "3.3V";
+    default:
+      break;
   }
   return "???V";
 }
@@ -337,6 +339,8 @@ size_t DebugComponent::get_device_info_(std::span<char, DEVICE_INFO_BUFFER_SIZE>
         return "QFxx - 6x6 48-pin QFN";
       case 0x2005:
         return "CKxx - 3.544 x 3.607 WLCSP";
+      default:
+        break;
     }
     return "Unspecified";
   };

esphome/components/delonghi/delonghi.cpp

@@ -143,6 +143,8 @@ bool DelonghiClimate::parse_state_frame_(const uint8_t frame[]) {
     case DELONGHI_FAN_AUTO:
       this->fan_mode = climate::CLIMATE_FAN_AUTO;
       break;
+    default:
+      break;
   }
   this->publish_state();
   return true;

esphome/components/dfplayer/dfplayer.cpp

@@ -250,6 +250,8 @@ void DFPlayer::loop() {
                   ESP_LOGE(TAG, "Entered into sleep mode");
                   this->is_playing_ = false;
                   break;
+                default:
+                  break;
               }
               break;
             case 0x41:

esphome/components/ezo_pmp/ezo_pmp.cpp

@@ -175,6 +175,8 @@ void EzoPMP::read_command_result_() {
           third_parameter_buffer[position_in_parameter_buffer] = current_char;
           third_parameter_buffer[position_in_parameter_buffer + 1] = '\0';
           break;
+        default:
+          break;
       }
       position_in_parameter_buffer++;
     }

esphome/components/fingerprint_grow/fingerprint_grow.cpp

@@ -194,6 +194,8 @@ uint8_t FingerprintGrowComponent::scan_image_(uint8_t buffer) {
       ESP_LOGE(TAG, "Could not find fingerprint features");
       this->finger_scan_invalid_callback_.call();
       break;
+    default:
+      break;
   }
   return send_result;
 }

esphome/components/haier/hon_climate.cpp

@@ -1071,6 +1071,8 @@ haier_protocol::HandlerError HonClimate::process_status_message_(const uint8_t *
       case (uint8_t) hon_protocol::FanMode::FAN_HIGH:
         this->fan_mode = CLIMATE_FAN_HIGH;
         break;
+      default:
+        break;
     }
     should_publish = should_publish || (!old_fan_mode.has_value()) ||
                      (old_fan_mode.value_or(CLIMATE_FAN_ON) != this->fan_mode.value_or(CLIMATE_FAN_ON));
@@ -1144,6 +1146,8 @@ haier_protocol::HandlerError HonClimate::process_status_message_(const uint8_t *
         case (uint8_t) hon_protocol::ConditioningMode::AUTO:
           this->mode = CLIMATE_MODE_HEAT_COOL;
           break;
+        default:
+          break;
       }
     }
     should_publish = should_publish || (old_mode != this->mode);

esphome/components/heatpumpir/receiver_mitsubishi_heavy_zmp.cpp

@@ -40,6 +40,8 @@ void decode_mitsubishi_heavy_zmp(const uint8_t frame[MITSUBISHI_HEAVY_FRAME_LENG
     case MITSUBISHI_HEAVY_ZMP_ECONO:
       climate.preset = climate::CLIMATE_PRESET_ECO;
       break;
+    default:
+      break;
   }
 
   uint8_t swing_h = frame[BYTE_SWING_H] & HORIZONTAL_SWING_MASK;

esphome/components/hitachi_ac344/hitachi_ac344.cpp

@@ -260,6 +260,8 @@ bool HitachiClimate::parse_mode_(const uint8_t remote_state[]) {
       case HITACHI_AC344_MODE_FAN:
         this->mode = climate::CLIMATE_MODE_FAN_ONLY;
         break;
+      default:
+        break;
     }
   } else {
     this->mode = climate::CLIMATE_MODE_OFF;
@@ -294,6 +296,8 @@ bool HitachiClimate::parse_fan_(const uint8_t remote_state[]) {
     case HITACHI_AC344_FAN_AUTO:
       this->fan_mode = climate::CLIMATE_FAN_AUTO;
       break;
+    default:
+      break;
   }
   return true;
 }

esphome/components/hitachi_ac424/hitachi_ac424.cpp

@@ -255,6 +255,8 @@ bool HitachiClimate::parse_mode_(const uint8_t remote_state[]) {
       case HITACHI_AC424_MODE_FAN:
         this->mode = climate::CLIMATE_MODE_FAN_ONLY;
         break;
+      default:
+        break;
     }
   } else {
     this->mode = climate::CLIMATE_MODE_OFF;
@@ -289,6 +291,8 @@ bool HitachiClimate::parse_fan_(const uint8_t remote_state[]) {
     case HITACHI_AC424_FAN_AUTO:
       this->fan_mode = climate::CLIMATE_FAN_AUTO;
       break;
+    default:
+      break;
   }
   return true;
 }

esphome/components/kuntze/kuntze.cpp

@@ -61,6 +61,8 @@ void Kuntze::on_read_holding_registers(uint16_t start_address, std::span<const u
       if (this->oci_sensor_ != nullptr)
         this->oci_sensor_->publish_state(value);
       break;
+    default:
+      break;
   }
 }
 

esphome/components/lightwaverf/LwRx.cpp

@@ -218,6 +218,8 @@ bool LwRx::lwrx_getmessage(uint8_t *buf, uint8_t len) {
         case 10:
           buf[i] = j;
           break;
+        default:
+          break;
       }
     }
   } else {

esphome/components/mcp4461/mcp4461.cpp

@@ -81,6 +81,8 @@ void Mcp4461Component::initialize_terminal_disabled(Mcp4461WiperIdx wiper, char
     case 'w':
       this->reg_[wiper_idx].terminal_w = false;
       break;
+    default:
+      break;
   }
 }
 

esphome/components/noblex/noblex.cpp

@@ -254,6 +254,8 @@ bool NoblexClimate::on_receive(remote_base::RemoteReceiveData data) {
       case IRNoblexMode::IR_NOBLEX_MODE_HEAT:
         this->mode = climate::CLIMATE_MODE_HEAT;
         break;
+      default:
+        break;
     }
   }
 

esphome/components/pipsolar/pipsolar.cpp

@@ -656,6 +656,8 @@ void Pipsolar::handle_qpiws_(const char *message) {
         this->publish_binary_sensor_(enabled, this->warning_battery_equalization_);
         value_warnings_present |= enabled.value_or(false);
         break;
+      default:
+        break;
     }
   }
 

esphome/components/sml/text_sensor/sml_text_sensor.cpp

@@ -48,6 +48,8 @@ void SmlTextSensor::publish_val(const ObisInfo &obis_info) {
       publish_state(reinterpret_cast<const char *>(obis_info.value.begin()), obis_info.value.size());
       break;
     }
+    default:
+      break;
   }
 }
 

esphome/components/tcl112/tcl112.cpp

@@ -191,6 +191,8 @@ bool Tcl112Climate::on_receive(remote_base::RemoteReceiveData data) {
       case TCL112_AUTO:
         this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         break;
+      default:
+        break;
     }
   }
   auto temp = TCL112_TEMP_MAX - remote_state[7];

esphome/components/tem3200/tem3200.cpp

@@ -39,6 +39,8 @@ void TEM3200Component::setup() {
       ESP_LOGE(TAG, "STALE data. Data has not been updated since last fetch");
       this->status_set_warning();
       break;
+    default:
+      break;
   }
 }
 
@@ -127,6 +129,8 @@ void TEM3200Component::update() {
       ESP_LOGE(TAG, "Warning: STALE data. Data has not been updated since last fetch");
       this->status_set_warning();
       return;
+    default:
+      break;
   }
 
   float temperature = convert_temperature(raw_temperature);

esphome/components/whirlpool/whirlpool.cpp

@@ -309,6 +309,8 @@ bool WhirlpoolClimate::on_receive(remote_base::RemoteReceiveData data) {
       case WHIRLPOOL_AUTO:
         this->mode = climate::CLIMATE_MODE_HEAT_COOL;
         break;
+      default:
+        break;
     }
   }
 

esphome/components/wifi/wifi_component_pico_w.cpp

@@ -166,8 +166,9 @@ WiFiSTAConnectStatus WiFiComponent::wifi_sta_connect_status_() const {
       return WiFiSTAConnectStatus::ERROR_CONNECT_FAILED;
     case CYW43_LINK_NONET:
       return WiFiSTAConnectStatus::ERROR_NETWORK_NOT_FOUND;
+    default:
+      return WiFiSTAConnectStatus::IDLE;
   }
-  return WiFiSTAConnectStatus::IDLE;
 }
 
 int WiFiComponent::s_wifi_scan_result(void *env, const cyw43_ev_scan_result_t *result) {

esphome/components/zephyr_ble_server/ble_server.cpp

@@ -256,6 +256,8 @@ static const char *role_str(uint8_t role) {
       return "Central";
     case BT_CONN_ROLE_PERIPHERAL:
       return "Peripheral";
+    default:
+      break;
   }
 
   return "Unknown";

esphome/components/zephyr_mcumgr/ota/ota_zephyr_mcumgr.cpp

@@ -80,6 +80,8 @@ static const char *swap_type_str(uint8_t type) {
       return "revert";
     case BOOT_SWAP_TYPE_FAIL:
       return "fail";
+    default:
+      break;
   }
 
   return "unknown";

script/api_protobuf/api_protobuf.py

@@ -2711,6 +2711,8 @@ def build_message_type(
         o += "  const ProtoFieldValue value(data, scalar);\n"
         o += "  switch (tag) {\n"
         o += indent("\n".join(decode), "    ").replace("this->", "msg.") + "\n"
+        o += "    default:\n"
+        o += "      break;\n"
         o += "  }\n"
         o += "}\n"
         cpp += o