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archive/target/linux/ar71xx/base-files/etc/hotplug.d/net/10-ar922x-led-fix
Luka Perkov 63e3046411 ar71xx: rework changes from r35840
Signed-off-by: Luka Perkov <luka@openwrt.org>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35865
2013-03-03 21:59:34 +00:00

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#!/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