#!/bin/sh

# Maximum number of attempts to enable hcismd to try to get
# hci0 to come online.  Writing to sysfs too early seems to
# not work, so we loop.
MAXTRIES=20

#setprop bluetooth.hciattach true
setprop ro.qualcomm.bt.hci_transport smd
setprop qcom.bt.dev_power_class 2
setprop qcom.bt.le_dev_pwr_class 2

for i in $(seq 1 $MAXTRIES); do
    rfkill unblock all
    echo 1 > /sys/module/hci_smd/parameters/hcismd_set
    if [ -e /sys/class/bluetooth/hci0 ]; then
        rfkill unblock all
        hciconfig hci0 up
        # found hci0, exit successfully
        echo 0 > /sys/module/hci_smd/parameters/hcismd_set
        bt_mac=$(/system/bin/hci_qcomm_init -e -p 2 -P 2 -d /dev/ttyHSL0 2>&1 | grep -oE '([0-9a-f]{2}:){5}([0-9a-f]{2})')
        echo "BT MAC: $bt_mac"
        if [ ! -z "$bt_mac" ] ; then
            echo $bt_mac > /var/lib/bluetooth/board-address
        fi
        echo 1 > /sys/module/hci_smd/parameters/hcismd_set
        exit 0
    fi
    sleep 1
done
exit 1