From 002f9dbe38e58b669d92cdbc542a66f3675ab049 Mon Sep 17 00:00:00 2001
From: Diego Ismirlian <dismirlian@gmail.com>
Date: Tue, 14 Jan 2020 10:42:20 -0300
Subject: [PATCH] [efr32] Radio: signal event pending when failed to start tx
 (#4482)

---
 examples/platforms/efr32mg12/radio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/platforms/efr32mg12/radio.c b/examples/platforms/efr32mg12/radio.c
index cca42fc30..0e5c27876 100644
--- a/examples/platforms/efr32mg12/radio.c
+++ b/examples/platforms/efr32mg12/radio.c
@@ -608,6 +608,7 @@ otError otPlatRadioTransmit(otInstance *aInstance, otRadioFrame *aFrame)
 #endif
         sTransmitError = OT_ERROR_CHANNEL_ACCESS_FAILURE;
         sTransmitBusy  = false;
+        otSysEventSignalPending();
     }
 
 exit: