static s32 capacity_algo(s32 capacity)
{
    int rtn = 50;

    if(capacity >= 100 ) //5% range, 100% - 70%
        rtn = 100;
    else if (capacity >= 99)
        rtn = 99;
    else if (capacity >= 95)
        rtn = 95;
    else if (capacity >= 90)
        rtn = 90;
    else if (capacity >= 85)
        rtn = 85;
    else if (capacity >= 80)
        rtn = 80;
    else if (capacity >= 75)
        rtn = 75;
    else if (capacity >= 70)//10% range, 70% - 20%
        rtn = 70;
    else if (capacity >= 60)
        rtn = 60;
    else if (capacity >= 50)
        rtn = 50;
    else if (capacity >= 40)
        rtn = 40;
    else if (capacity >= 30)
        rtn = 30;
    else if (capacity >= 20)
        rtn = 20;
    else if (capacity >= 15) //5% ragne, 20% - 0%
        rtn = 15;
    else if (capacity >= 10)
        rtn = 10;
    else if (capacity >= 5)
        rtn = 5;
    else if (capacity >= 1)
        rtn = 1;
    else if (capacity == 0)
        rtn = 0;

    return rtn;
}