Add volvo on call device_info to group entities in one device per vehicle (#79329)

homeassistant/components/volvooncall/__init__.py

@@ -23,6 +23,7 @@ from homeassistant.exceptions import ConfigEntryAuthFailed
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.dispatcher import async_dispatcher_send
+from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.helpers.update_coordinator import (
@@ -314,6 +315,16 @@ class VolvoEntity(CoordinatorEntity):
         """Return true if unable to access real state of entity."""
         return True
 
+    @property
+    def device_info(self) -> DeviceInfo:
+        """Return a inique set of attributes for each vehicle."""
+        return DeviceInfo(
+            identifiers={(DOMAIN, self.vehicle.vin)},
+            name=self._vehicle_name,
+            model=self.vehicle.vehicle_type,
+            manufacturer="Volvo",
+        )
+
     @property
     def extra_state_attributes(self):
         """Return device specific state attributes."""