Expose altitude for Starlink device tracker (#115508)

homeassistant/components/starlink/const.py

@@ -1,3 +1,5 @@
 """Constants for the Starlink integration."""
 
 DOMAIN = "starlink"
+
+ATTR_ALTITUDE = "altitude"

homeassistant/components/starlink/device_tracker.py

@@ -2,6 +2,7 @@
 
 from collections.abc import Callable
 from dataclasses import dataclass
+from typing import Any
 
 from homeassistant.components.device_tracker import SourceType, TrackerEntity
 from homeassistant.config_entries import ConfigEntry
@@ -9,7 +10,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import EntityDescription
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
-from .const import DOMAIN
+from .const import ATTR_ALTITUDE, DOMAIN
 from .coordinator import StarlinkData
 from .entity import StarlinkEntity
 
@@ -32,6 +33,7 @@ class StarlinkDeviceTrackerEntityDescription(EntityDescription):
 
     latitude_fn: Callable[[StarlinkData], float]
     longitude_fn: Callable[[StarlinkData], float]
+    altitude_fn: Callable[[StarlinkData], float]
 
 
 DEVICE_TRACKERS = [
@@ -41,6 +43,7 @@ DEVICE_TRACKERS = [
         entity_registry_enabled_default=False,
         latitude_fn=lambda data: data.location["latitude"],
         longitude_fn=lambda data: data.location["longitude"],
+        altitude_fn=lambda data: data.location["altitude"],
     ),
 ]
 
@@ -64,3 +67,10 @@ class StarlinkDeviceTrackerEntity(StarlinkEntity, TrackerEntity):
     def longitude(self) -> float | None:
         """Return longitude value of the device."""
         return self.entity_description.longitude_fn(self.coordinator.data)
+
+    @property
+    def extra_state_attributes(self) -> dict[str, Any]:
+        """Return device specific attributes."""
+        return {
+            ATTR_ALTITUDE: self.entity_description.altitude_fn(self.coordinator.data)
+        }