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

#!/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
phyname=`cat $phydir/phy*/name`

if [ -z $phyname -o $ACTION != "add" ]; then exit 0; fi

#
# 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 ] && {
		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
        }
}

if [ $phyname -a $ACTION = "add" ]; then

	. /lib/ar71xx.sh
	
	case $(ar71xx_board_name) in
		wzr-hp-ag300h)
			ar922x_disable_gpio_jtag $phyname
			;;
	esac;
fi

exit 0