[PATCH v3 4/4] hwmon: (w83795) use find_closest_descending() in pwm_freq_to_reg()

[Bartosz Golaszewski <bgolaszewski@baylibre.com>]

Replace the loop iterating over pwm_freq_cksel0 with a call to
find_closest_descending().

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 drivers/hwmon/w83795.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
index 2189413..49276bb 100644
--- a/drivers/hwmon/w83795.c
+++ b/drivers/hwmon/w83795.c
@@ -35,6 +35,7 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/jiffies.h>
+#include <linux/util_macros.h>
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = {
@@ -308,11 +309,8 @@ static u8 pwm_freq_to_reg(unsigned long val, u16 clkin)
 	unsigned long best0, best1;
 
 	/* Best fit for cksel = 0 */
-	for (reg0 = 0; reg0 < ARRAY_SIZE(pwm_freq_cksel0) - 1; reg0++) {
-		if (val > (pwm_freq_cksel0[reg0] +
-			   pwm_freq_cksel0[reg0 + 1]) / 2)
-			break;
-	}
+	reg0 = find_closest_descending(val, pwm_freq_cksel0,
+				       ARRAY_SIZE(pwm_freq_cksel0));
 	if (val < 375)	/* cksel = 1 can't beat this */
 		return reg0;
 	best0 = pwm_freq_cksel0[reg0];
-- 
2.1.4