Commit 1b92adad authored by Jean Delvare's avatar Jean Delvare Committed by Jean Delvare
Browse files

hwmon: (lm85) Simplify RANGE_TO_REG 



Function RANGE_TO_REG can easily be simplified. Credits go to Herbert
Poetzl for indirectly suggesting this to me. I tested that the new
implementation returns the same result as the original implementation
for all input values.

Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
Acked-by: default avatarHerbert Poetzl <herbert@13thfloor.at>
parent 67712d01

drivers/hwmon/lm85.c

+4 −11
Original line number Diff line number Diff line
@@ -174,20 +174,13 @@ static int RANGE_TO_REG(int range) 
{

	int i;



	if (range >= lm85_range_map[15])

		return 15;



	/* Find the closest match */

	for (i = 14; i >= 0; --i) {

		if (range >= lm85_range_map[i]) {

			if ((lm85_range_map[i + 1] - range) <

					(range - lm85_range_map[i]))

				return i + 1;

			return i;

		}

	for (i = 0; i < 15; ++i) {

		if (range <= (lm85_range_map[i] + lm85_range_map[i + 1]) / 2)

			break;

	}



	return 0;

	return i;

}

#define RANGE_FROM_REG(val)	lm85_range_map[(val) & 0x0f]