#include <common.h>
#include <s3c2400.h>
+#include <div64.h>
#include "tsc2000.h"
#include "Pt1000_temp_data.h"
int tsc2000_interpolate(long value, long data[][2], long *result)
{
int i;
+ unsigned long long val;
/* the data is sorted and the first element is upper
* limit so we can easily check for out-of-band values
result in 'long long'.
*/
- *result = data[i-1][1] +
- ((unsigned long long)(data[i][1] - data[i-1][1])
- * (unsigned long long)(value - data[i-1][0]))
- / (data[i][0] - data[i-1][0]);
+ val = ((unsigned long long)(data[i][1] - data[i-1][1])
+ * (unsigned long long)(value - data[i-1][0]));
+ do_div(val, (data[i][0] - data[i-1][0]));
+ *result = data[i-1][1] + val;
return 0;
}