From aa670d1f57b2c7e1b27936085e641582a678ad26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?HAO=2C=20Yun=20=28=E9=83=9D=E8=BF=90=EF=BC=89?=
 <haoyun_public@163.com>
Date: Sun, 2 Jun 2019 18:22:58 +0200
Subject: [PATCH] Support to use dual channel if the adapter/driver support it.

---
 src/scripts/create_ap | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/scripts/create_ap b/src/scripts/create_ap
index 4a40226..de51d72 100755
--- a/src/scripts/create_ap
+++ b/src/scripts/create_ap
@@ -1546,8 +1546,14 @@ if [[ $NO_VIRT -eq 0 ]]; then
             FREQ_BAND=2.4
         fi
         if [[ $WIFI_IFACE_CHANNEL -ne $CHANNEL ]]; then
-            echo ", fallback to channel ${WIFI_IFACE_CHANNEL}"
-            CHANNEL=$WIFI_IFACE_CHANNEL
+            if ( get_adapter_info ${IFACE} | grep "#channels <= 2" -q )
+            then
+                echo -e "\nmultiple channels supported"
+            else
+                echo -e  "\nmultiple channels not supported",
+                echo -e  "\nfallback to channel ${WIFI_IFACE_CHANNEL}"
+                CHANNEL=$WIFI_IFACE_CHANNEL
+            fi
         else
             echo "channel------------------ ${CHANNEL}"
         fi