Initial commit

target/linux/ar71xx/base-files/etc/hotplug.d/net/10-ar922x-led-fix

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# For AR9220 and AR9223, GPIO JTAG must explicit be disabled
+# before LEDs start working. Do this when wifi device is
+# detected.
+
+#
+# $DEVPATH is not valid for some boards (including WZR-HP-AG300H).
+# Manipulate the $DEVPATH to reach the corresponding phyN.
+#
+
+devdir=$(dirname $DEVPATH)
+devdir=$(dirname $devdir)
+phydir=/sys$devdir/ieee80211
+
+[ -d $phydir ] || exit 0
+
+phyname=$(cat $phydir/phy*/name)
+
+[ -z $phyname -o $ACTION != "add" ] && exit 0
+
+#
+# ar922x_disable_gpio_jtag():
+#
+# Emulate
+#       REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
+# for AR9220 and AR9223.
+#
+
+ar922x_disable_gpio_jtag() {
+	local regidx=0x4054
+
+	[ -f /sys/kernel/debug/ieee80211/$1/ath9k/regidx ] || return
+
+	echo $regidx > /sys/kernel/debug/ieee80211/$1/ath9k/regidx
+	regval=$(cat /sys/kernel/debug/ieee80211/$1/ath9k/regval)
+	regval=$((regval | 0x20000))
+	echo regval $regval
+	echo $regval > /sys/kernel/debug/ieee80211/$1/ath9k/regval
+}
+
+[ $phyname -a $ACTION = "add" ] && {
+	. /lib/functions.sh
+
+	case $(board_name) in
+	wzr-hp-ag300h)
+		ar922x_disable_gpio_jtag $phyname
+		;;
+	esac;
+}
+
+exit 0