From d80f87410eb5ef9e61bdd47a043ecfc60998a17b Mon Sep 17 00:00:00 2001
From: jgromes <jan.gromes@gmail.com>
Date: Sun, 23 Oct 2022 20:38:36 +0200
Subject: [PATCH] [SX127x] Removed redundant IRQ clear

---
 src/modules/SX127x/SX127x.cpp | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/modules/SX127x/SX127x.cpp b/src/modules/SX127x/SX127x.cpp
index 66d9d7fe..44c29c64 100644
--- a/src/modules/SX127x/SX127x.cpp
+++ b/src/modules/SX127x/SX127x.cpp
@@ -266,14 +266,10 @@ int16_t SX127x::scanChannel() {
   while(!_mod->digitalRead(_mod->getIrq())) {
     _mod->yield();
     if(_mod->digitalRead(_mod->getGpio())) {
-      clearIRQFlags();
       return(RADIOLIB_PREAMBLE_DETECTED);
     }
   }
 
-  // clear interrupt flags
-  clearIRQFlags();
-
   return(RADIOLIB_CHANNEL_FREE);
 }
 
@@ -676,13 +672,13 @@ int16_t SX127x::startChannelScan() {
   int16_t state = setMode(RADIOLIB_SX127X_STANDBY);
   RADIOLIB_ASSERT(state);
 
+  // clear interrupt flags
+  clearIRQFlags();
+
   // set DIO pin mapping
   state = _mod->SPIsetRegValue(RADIOLIB_SX127X_REG_DIO_MAPPING_1, RADIOLIB_SX127X_DIO0_LORA_CAD_DONE | RADIOLIB_SX127X_DIO1_LORA_CAD_DETECTED, 7, 4);
   RADIOLIB_ASSERT(state);
 
-  // clear interrupt flags
-  clearIRQFlags();
-
   // set RF switch (if present)
   _mod->setRfSwitchState(HIGH, LOW);