pr_debug("Left_rhl = 0x%x rh=0x%x rl=0x%x\n", rhl, rh, rl);
        pr_info("Left channel %d.%dohm\n", (r0ohm/10), (r0ohm%10));
 
-       r0l = 562949953421312;
+       r0l = 562949953421312ULL;
        if (rhl != 0)
                do_div(r0l, rhl);
        pr_debug("Left_r0 = 0x%llx\n", r0l);
        pr_debug("Right_rhl = 0x%x rh=0x%x rl=0x%x\n", rhl, rh, rl);
        pr_info("Right channel %d.%dohm\n", (r0ohm/10), (r0ohm%10));
 
-       r0r = 562949953421312;
+       r0r = 562949953421312ULL;
        if (rhl != 0)
                do_div(r0r, rhl);
        pr_debug("Right_r0 = 0x%llx\n", r0r);