ar71xx: Buffalo WZR-HP-AG300H LED support

[15.05/openwrt.git] / target / linux / ar71xx / base-files / etc / hotplug.d / net / 10-ar922x-led-fix

diff --git a/target/linux/ar71xx/base-files/etc/hotplug.d/net/10-ar922x-led-fix b/target/linux/ar71xx/base-files/etc/hotplug.d/net/10-ar922x-led-fix
new file mode 100644 (file)
index 0000000..1024150
--- /dev/null
+++ b/target/linux/ar71xx/base-files/etc/hotplug.d/net/10-ar922x-led-fix
@@ -0,0 +1,51 @@
+#!/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