From 22c129d39131a85bd0a667294e48978ecd9451d5 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <git@frenck.dev>
Date: Thu, 27 Aug 2026 09:56:09 +0200
Subject: [PATCH] Fix WLED estimated current missing with per output limiters
 (#180359)

---
 homeassistant/components/wled/sensor.py |  4 +++-
 tests/components/wled/test_sensor.py    | 24 +++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/wled/sensor.py b/homeassistant/components/wled/sensor.py
index a81456dc6846..74aed519c705 100644
--- a/homeassistant/components/wled/sensor.py
+++ b/homeassistant/components/wled/sensor.py
@@ -49,7 +49,9 @@ SENSORS: tuple[WLEDSensorEntityDescription, ...] = (
         state_class=SensorStateClass.MEASUREMENT,
         entity_category=EntityCategory.DIAGNOSTIC,
         value_fn=lambda device: device.info.leds.power,
-        exists_fn=lambda device: bool(device.info.leds.max_power),
+        # The power budget is only reported for a global current limit, while
+        # the estimate itself is also reported when limiting per output.
+        exists_fn=lambda device: bool(device.info.leds.power),
     ),
     WLEDSensorEntityDescription(
         key="info_leds_count",
diff --git a/tests/components/wled/test_sensor.py b/tests/components/wled/test_sensor.py
index 65ab75fa6ae5..e7065d91c8dc 100644
--- a/tests/components/wled/test_sensor.py
+++ b/tests/components/wled/test_sensor.py
@@ -93,9 +93,10 @@ async def test_no_current_measurement(
     mock_config_entry: MockConfigEntry,
     mock_wled: MagicMock,
 ) -> None:
-    """Test missing current information when no max power is defined."""
+    """Test missing current information when the device estimates no current."""
     device = mock_wled.update.return_value
     device.info.leds.max_power = 0
+    device.info.leds.power = 0
 
     mock_config_entry.add_to_hass(hass)
     await hass.config_entries.async_setup(mock_config_entry.entry_id)
@@ -105,6 +106,27 @@ async def test_no_current_measurement(
     assert hass.states.get("sensor.wled_rgb_light_estimated_current") is None
 
 
+async def test_current_measurement_with_per_output_limiters(
+    hass: HomeAssistant,
+    mock_config_entry: MockConfigEntry,
+    mock_wled: MagicMock,
+) -> None:
+    """Test estimated current is available when limiting current per output."""
+    # Per output limiters leave the global power budget unset, while the
+    # device keeps estimating and reporting the current it draws.
+    device = mock_wled.update.return_value
+    device.info.leds.max_power = 0
+    device.info.leds.power = 3193
+
+    mock_config_entry.add_to_hass(hass)
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    assert hass.states.get("sensor.wled_rgb_light_max_current") is None
+    assert (state := hass.states.get("sensor.wled_rgb_light_estimated_current"))
+    assert state.state == "3193"
+
+
 async def test_fail_when_other_device(
     hass: HomeAssistant,
     mock_config_entry: MockConfigEntry,