From 842a14269a8cdcba67799ed69e504899b4a673ed Mon Sep 17 00:00:00 2001
From: Jerry Vonau <jvonau3@gmail.com>
Date: Wed, 22 Apr 2020 16:20:04 -0500
Subject: [PATCH] better handling of 2.4/5 on the same ssid

---
 roles/network/templates/hostapd/test-wifi | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/roles/network/templates/hostapd/test-wifi b/roles/network/templates/hostapd/test-wifi
index 6634eee43..2dc7ba2eb 100755
--- a/roles/network/templates/hostapd/test-wifi
+++ b/roles/network/templates/hostapd/test-wifi
@@ -18,11 +18,14 @@ sleep 3
 wpa_cli -i $IFACE scan > /dev/null
 sleep 2
 FREQ=`wpa_cli -i $IFACE scan_results | grep $SSID | awk '{print $2}'`
-if [ ! $FREQ -lt 2485 ]; then
-    FREQ=""
-fi
-echo "frequency is $FREQ for $SSID"
-CHAN=$(($FREQ - 2407 ))
+for result in $FREQ; do
+    echo "frequency $result found for $SSID"
+    if [ $result -lt 2485 ]; then
+        FREQ2=$result
+    fi
+done
+echo "Using $FREQ2 for $SSID"
+CHAN=$(($FREQ2 - 2407 ))
 CHAN=$(($CHAN / 5 ))
 echo "channel is $CHAN for $SSID"
 cp /etc/hostapd/hostapd.conf.iiab /etc/hostapd/hostapd.conf