From e0712a54a6c5559d2b49038dc99abd6390bc95c2 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sat, 13 Aug 2011 22:55:59 +0000
Subject: [PATCH] [package] mac80211: use first available channel from current
 phy if channel is set to "auto"

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27976 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 package/mac80211/files/lib/wifi/mac80211.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/package/mac80211/files/lib/wifi/mac80211.sh b/package/mac80211/files/lib/wifi/mac80211.sh
index dbf13b8106..86ec75cec3 100644
--- a/package/mac80211/files/lib/wifi/mac80211.sh
+++ b/package/mac80211/files/lib/wifi/mac80211.sh
@@ -17,7 +17,13 @@ mac80211_hostapd_setup_base() {
 	config_get basic_rate_list "$device" basic_rate
 	config_get_bool noscan "$device" noscan
 	[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
-	[ "$channel" = auto ] && channel=
+
+	[ "$channel" = auto ] && {
+		channel=$(iw phy "$phy" info | \
+			sed -ne '/MHz/ { /disabled\|passive\|radar/d; s/.*\[//; s/\].*//; p; q }')
+		config_set "$device" channel "$channel"
+	}
+
 	[ -n "$hwmode" ] && {
 		config_get hwmode_11n "$device" hwmode_11n
 		[ -n "$hwmode_11n" ] && {