From 2f375458af436062f18009c6765f2aae74cf211a Mon Sep 17 00:00:00 2001
From: Raman Gupta <7243222+raman325@users.noreply.github.com>
Date: Mon, 7 Sep 2026 10:06:08 -0400
Subject: [PATCH] Fix Vizio soundbars requiring authentication (#181556)

---
 homeassistant/components/vizio/coordinator.py |  6 +++---
 tests/components/vizio/test_init.py           | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/homeassistant/components/vizio/coordinator.py b/homeassistant/components/vizio/coordinator.py
index 939d067cc201..140f9aba9759 100644
--- a/homeassistant/components/vizio/coordinator.py
+++ b/homeassistant/components/vizio/coordinator.py
@@ -151,10 +151,10 @@ class VizioDeviceCoordinator(DataUpdateCoordinator[VizioDeviceData]):
             update_interval=SCAN_INTERVAL,
         )
         self.device = device
-        # Modern firmware bundles power/input/app state into one endpoint;
+        # Modern TV firmware bundles power/input/app state into one endpoint;
         # firmware without it never gains it, so probe only until the first
-        # URI_NOT_FOUND response.
-        self._use_state_extended = True
+        # URI_NOT_FOUND response. Audio devices do not support this endpoint.
+        self._use_state_extended = device.profile.has_inputs
 
     @override
     async def _async_setup(self) -> None:
diff --git a/tests/components/vizio/test_init.py b/tests/components/vizio/test_init.py
index d0aaee209110..62fcc12a9abc 100644
--- a/tests/components/vizio/test_init.py
+++ b/tests/components/vizio/test_init.py
@@ -13,6 +13,7 @@ from vizaio import (
     VizioConnectionError,
     VizioNotFoundError,
 )
+from vizaio.profiles import SOUNDBAR_PROFILE
 
 from homeassistant.components.media_player import (
     DOMAIN as MEDIA_PLAYER_DOMAIN,
@@ -226,6 +227,23 @@ async def test_state_extended_polling(
     mock_vizio.get_current_app_config.assert_not_called()
 
 
+@pytest.mark.usefixtures("vizio_connect")
+async def test_soundbar_does_not_poll_state_extended(
+    hass: HomeAssistant,
+    mock_speaker_config_entry: MockConfigEntry,
+    mock_vizio: AsyncMock,
+) -> None:
+    """Test soundbars use the unauthenticated power endpoint."""
+    mock_vizio.profile = SOUNDBAR_PROFILE
+    mock_vizio.get_state_extended.side_effect = VizioAuthError("token required")
+
+    await setup_integration(hass, mock_speaker_config_entry)
+
+    mock_vizio.get_state_extended.assert_not_called()
+    mock_vizio.get_power_state.assert_called_once()
+    assert not hass.config_entries.flow.async_progress_by_handler(DOMAIN)
+
+
 @pytest.mark.usefixtures("vizio_connect")
 async def test_state_extended_power_off(
     hass: HomeAssistant,