static inline int apollo_wait_for_ack_ value struct apollofb_par par u

static inline int apollo_wait_for_ack_value(struct apollofb_par *par,
                unsigned int value)
{
        unsigned long timeout = jiffies + 2 * HZ;

        while (par->ops->get_ctl_pin(H_ACK) != value)
        {
            if(time_before(jiffies, timeout))
                schedule();
            else
            {
                printk(KERN_ERR "%s: Wait for H_ACK == %u, timeout\n",
                                __func__, value);
                return 1;
            }
        }
        
        return 0;
}