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

   1 #!/bin/sh
   2
   3 # For AR9220 and AR9223, GPIO JTAG must explicit be disabled
   4 # before LEDs start working. Do this when wifi device is
   5 # detected.
   6
   7 #
   8 # $DEVPATH is not valid for some boards (including WZR-HP-AG300H).
   9 # Manipulate the $DEVPATH to reach the corresponding phyN.
  10 #
  11
  12 devdir=`dirname $DEVPATH`
  13 devdir=`dirname $devdir`
  14 phydir=/sys$devdir/ieee80211
  15 phyname=`cat $phydir/phy*/name`
  16
  17 if [ -z $phyname -o $ACTION != "add" ]; then exit 0; fi
  18
  19 #
  20 # ar922x_disable_gpio_jtag():
  21 #
  22 # Emulate
  23 #       REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
  24 # for AR9220 and AR9223.
  25 #
  26
  27 ar922x_disable_gpio_jtag()
  28 {
  29         local regidx=0x4054
  30
  31         [ -f /sys/kernel/debug/ieee80211/$1/ath9k/regidx ] && {
  32                 echo $regidx > /sys/kernel/debug/ieee80211/$1/ath9k/regidx
  33                 regval=`cat /sys/kernel/debug/ieee80211/$1/ath9k/regval`
  34                 regval=$((regval | 0x20000))
  35                 echo regval $regval
  36                 echo $regval > /sys/kernel/debug/ieee80211/$1/ath9k/regval
  37         }
  38 }
  39
  40 if [ $phyname -a $ACTION = "add" ]; then
  41
  42         . /lib/ar71xx.sh
  43
  44         case $(ar71xx_board_name) in
  45                 wzr-hp-ag300h)
  46                         ar922x_disable_gpio_jtag $phyname
  47                         ;;
  48         esac;
  49 fi
  50
  51 exit 0