From 55b082edb6bc7cbe0d5a295dfb616de296b2be00 Mon Sep 17 00:00:00 2001
From: Joost Lekkerkerker <joostlek@outlook.com>
Date: Wed, 18 Mar 2026 15:44:43 +0100
Subject: [PATCH] Add binary sensor for smartthings microfilter blockage
 (#165917)

---
 .../components/smartthings/binary_sensor.py   |  9 ++++
 .../components/smartthings/strings.json       |  3 ++
 .../snapshots/test_binary_sensor.ambr         | 51 +++++++++++++++++++
 3 files changed, 63 insertions(+)

diff --git a/homeassistant/components/smartthings/binary_sensor.py b/homeassistant/components/smartthings/binary_sensor.py
index d5e0b73479b..50739f4a63f 100644
--- a/homeassistant/components/smartthings/binary_sensor.py
+++ b/homeassistant/components/smartthings/binary_sensor.py
@@ -208,6 +208,15 @@ CAPABILITY_TO_SENSORS: dict[
             supported_states_attributes=Attribute.SUPPORTED_COOKTOP_OPERATING_STATE,
         )
     },
+    Capability.SAMSUNG_CE_MICROFIBER_FILTER_STATUS: {
+        Attribute.STATUS: SmartThingsBinarySensorEntityDescription(
+            key=Attribute.STATUS,
+            translation_key="microfiber_filter_blockage",
+            is_on_key="blockage",
+            device_class=BinarySensorDeviceClass.PROBLEM,
+            entity_category=EntityCategory.DIAGNOSTIC,
+        )
+    },
 }
 
 
diff --git a/homeassistant/components/smartthings/strings.json b/homeassistant/components/smartthings/strings.json
index b102aec1adb..6629b8c0ac4 100644
--- a/homeassistant/components/smartthings/strings.json
+++ b/homeassistant/components/smartthings/strings.json
@@ -73,6 +73,9 @@
       "keep_fresh_mode_active": {
         "name": "Keep fresh mode active"
       },
+      "microfiber_filter_blockage": {
+        "name": "Filter blockage"
+      },
       "oven_cavity_status": {
         "name": "Second cavity status"
       },
diff --git a/tests/components/smartthings/snapshots/test_binary_sensor.ambr b/tests/components/smartthings/snapshots/test_binary_sensor.ambr
index c0d9e42ed09..2f8c015411b 100644
--- a/tests/components/smartthings/snapshots/test_binary_sensor.ambr
+++ b/tests/components/smartthings/snapshots/test_binary_sensor.ambr
@@ -2325,6 +2325,57 @@
     'state': 'off',
   })
 # ---
+# name: test_all_entities[da_wm_mf_01001][binary_sensor.filtro_in_microfibra_filter_blockage-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': list([
+      None,
+    ]),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'binary_sensor.filtro_in_microfibra_filter_blockage',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'object_id_base': 'Filter blockage',
+    'options': dict({
+    }),
+    'original_device_class': <BinarySensorDeviceClass.PROBLEM: 'problem'>,
+    'original_icon': None,
+    'original_name': 'Filter blockage',
+    'platform': 'smartthings',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'microfiber_filter_blockage',
+    'unique_id': '42e80b4d-24c4-a810-11b3-f90375c56a39_main_samsungce.microfiberFilterStatus_status_status',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_all_entities[da_wm_mf_01001][binary_sensor.filtro_in_microfibra_filter_blockage-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'problem',
+      'friendly_name': 'Filtro in microfibra Filter blockage',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.filtro_in_microfibra_filter_blockage',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
 # name: test_all_entities[da_wm_mf_01001][binary_sensor.filtro_in_microfibra_filter_status-entry]
   EntityRegistryEntrySnapshot({
     'aliases': list([