From 8d025d0cd7c380484924989d6ee98f46827cb162 Mon Sep 17 00:00:00 2001
From: Nivedita Sarkar <nivedita_sarkar@apple.com>
Date: Mon, 8 Apr 2024 12:38:05 -0700
Subject: [PATCH] Add the code that sets previous value in the block where we
 have an expected value

---
 src/darwin/Framework/CHIP/MTRDevice.mm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/darwin/Framework/CHIP/MTRDevice.mm b/src/darwin/Framework/CHIP/MTRDevice.mm
index 05c742ef7f9c7f..d0a3971849bb61 100644
--- a/src/darwin/Framework/CHIP/MTRDevice.mm
+++ b/src/darwin/Framework/CHIP/MTRDevice.mm
@@ -2144,6 +2144,7 @@ - (NSArray *)_getAttributesToReportWithReportedValues:(NSArray<NSDictionary<NSSt
             // if expected values exists, purge and update read cache
             NSArray * expectedValue = _expectedValueCache[attributePath];
             if (expectedValue) {
+                previousValue = expectedValue[MTRDeviceExpectedValueFieldValueIndex];
                 _readCache[attributePath] = attributeDataValue;
                 shouldReportAttribute = NO;
             } else if (readCacheValueChanged) {