From f01e3f34e516a9d53949264b5c2248365345592c Mon Sep 17 00:00:00 2001
From: Abtin Keshavarzian <abtink@google.com>
Date: Wed, 6 Feb 2019 08:42:53 -0800
Subject: [PATCH] [mac] always emit OT_CHANGED_THREAD_CHANNEL on channel change
 (#3560)

---
 src/core/mac/mac.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/core/mac/mac.cpp b/src/core/mac/mac.cpp
index f09ff707f..999933b67 100644
--- a/src/core/mac/mac.cpp
+++ b/src/core/mac/mac.cpp
@@ -364,6 +364,7 @@ otError Mac::SetPanChannel(uint8_t aChannel)
 
     mPanChannel = aChannel;
     mCcaSuccessRateTracker.Reset();
+    GetNotifier().Signal(OT_CHANGED_THREAD_CHANNEL);
 
     VerifyOrExit(!mRadioChannelAcquisitionId);
 
@@ -371,8 +372,6 @@ otError Mac::SetPanChannel(uint8_t aChannel)
 
     UpdateIdleMode();
 
-    GetNotifier().Signal(OT_CHANGED_THREAD_CHANNEL);
-
 exit:
     return error;
 }