#!/system/bin/sh
# Copyright (c) 2012, The Linux Foundation. All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
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action=`getprop bluetooth.hsic_ctrl`
last_action=`getprop hsic_ctrl.last`
wifi_status=`getprop wlan.driver.status`
wifi_action=`getprop wlan.hsic_ctrl`
wifi_type=`getprop wlan.driver.ath`

# check action from bt
if [ $wifi_type == "2" ]; then
    if [ $action == "load_wlan" ]; then
        if [ $wifi_status == "ok" ] ||
           [ $wifi_action == "wlan_loading" ] ||
           [ $last_action == "load_wlan" ]; then
           echo "Not doing anything as wlan is on or turning on"
           # do nothing
        else
            setprop wlan.hsic_ctrl "service_loading"

            # bind HSIC HCD
            echo msm_hsic_host > /sys/bus/platform/drivers/msm_hsic_host/bind

            # load WLAN driver
            insmod /system/lib/modules/wlan.ko

            # inform WLAN driver bt is on
            echo 1 > /sys/module/wlan/parameters/ath6kl_bt_on

            # unload WLAN driver
            rmmod wlan
            echo "Now hsic power control will be in auto mode"
        fi
    elif [ $action == "unbind_hsic" ]; then
        if [ "$wifi_action" == "wlan_unloading" ] ||
           [ "$last_action" == "unbind_hsic" ]; then
            echo "Not doing anything as wlan is also unloading"
            # do nothing
        else
            # unbind HSIC HCD
            echo msm_hsic_host > /sys/bus/platform/drivers/msm_hsic_host/unbind
            echo "Unbinding HSIC before BT turns off"
        fi
    fi
fi # [ $wifi_type == "2" ]

# set property to done
# setprop bluetooth.hsic_ctrl "done"

# set property to NULL
setprop wlan.hsic_ctrl ""

setprop hsic_ctrl.last $action