From 2ce4105a089e62657480f30a298351f4c84ca375 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E7=94=B0=E5=96=9C=E9=99=BD=E5=BD=A6?=
 <aki@PC-59.local>
Date: Fri, 29 Nov 2019 03:27:55 -0800
Subject: [PATCH] Fix audio unit initialization condition in
 AudioDeviceIOS::UpdateAudioUnit

---
 sdk/objc/native/src/audio/audio_device_ios.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdk/objc/native/src/audio/audio_device_ios.mm b/sdk/objc/native/src/audio/audio_device_ios.mm
index ff46ac84cf..7a9dd39954 100644
--- a/sdk/objc/native/src/audio/audio_device_ios.mm
+++ b/sdk/objc/native/src/audio/audio_device_ios.mm
@@ -816,7 +816,7 @@ static void LogDeviceInfo() {
   // be initialized on initialization.
   if (!audio_is_initialized_) return;
 
-  if (!audio_unit_ && !CreateAudioUnit()) {
+  if (can_play_or_record && !audio_unit_ && !CreateAudioUnit()) {
     RTCLog(@"Failed to create audio unit.");
     return;
   }