r8723bs wifi sleep fix

wifi.sh

#!/system/bin/sh

while true
do

# check device wakefulness state
WAKE_STATE=$(dumpsys power | grep -m1 'mWakefulness' | cut -d = -f 2)
#echo "Wakefulness: $WAKE_STATE"

if [ "$WAKE_STATE" = "Asleep" ]; then
    # disable wifi
    WIFI=$(lsmod | grep -m1 r8723bs)
    if [ ! -z "$WIFI" ]; then
        svc wifi disable && rmmod r8723bs
    fi
elif [ "$WAKE_STATE" = "Awake" ]; then
    # enable wifi if not loaded
    WIFI=$(lsmod | grep -m1 r8723bs)
    if [ -z "$WIFI" ]; then            
        modprobe r8723bs && svc wifi enable
    fi
fi

sleep 1

done