From 195b1c632369011fe1fe6b841a75126ce9b84758 Mon Sep 17 00:00:00 2001
From: Jack Wilsdon <jack+github@wilsdon.me>
Date: Wed, 17 Dec 2025 20:40:31 +0000
Subject: [PATCH] [pm1006] Fix "never" update interval detection (#12529)

---
 esphome/components/pm1006/sensor.py | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/esphome/components/pm1006/sensor.py b/esphome/components/pm1006/sensor.py
index c693cfea19..8ff21ab069 100644
--- a/esphome/components/pm1006/sensor.py
+++ b/esphome/components/pm1006/sensor.py
@@ -7,10 +7,10 @@ from esphome.const import (
     CONF_UPDATE_INTERVAL,
     DEVICE_CLASS_PM25,
     ICON_BLUR,
+    SCHEDULER_DONT_RUN,
     STATE_CLASS_MEASUREMENT,
     UNIT_MICROGRAMS_PER_CUBIC_METER,
 )
-from esphome.core import TimePeriodMilliseconds
 
 CODEOWNERS = ["@habbie"]
 DEPENDENCIES = ["uart"]
@@ -41,16 +41,12 @@ CONFIG_SCHEMA = cv.All(
 
 
 def validate_interval_uart(config):
-    require_tx = False
-
     interval = config.get(CONF_UPDATE_INTERVAL)
-
-    if isinstance(interval, TimePeriodMilliseconds):
-        # 'never' is encoded as a very large int, not as a TimePeriodMilliseconds objects
-        require_tx = True
-
     uart.final_validate_device_schema(
-        "pm1006", baud_rate=9600, require_rx=True, require_tx=require_tx
+        "pm1006",
+        baud_rate=9600,
+        require_rx=True,
+        require_tx=interval.total_milliseconds != SCHEDULER_DONT_RUN,
     )(config)