linux-kernel - [PATCH v2 4/4] hwmon: (w83795) use find_closest_desc() in pwm_freq_to

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Message-Id: <1426008442-26236-5-git-send-email-bgolaszewski@baylibre.com>
Date:	Tue, 10 Mar 2015 18:27:22 +0100
From:	Bartosz Golaszewski <bgolaszewski@...libre.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Guenter Roeck <linux@...ck-us.net>,
	lm-sensors <lm-sensors@...sensors.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <srostedt@...hat.com>,
	Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH v2 4/4] hwmon: (w83795) use find_closest_desc() in pwm_freq_to_reg()

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

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 drivers/hwmon/w83795.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c
index 2189413..1f0b301 100644
--- a/drivers/hwmon/w83795.c
+++ b/drivers/hwmon/w83795.c
@@ -308,11 +308,8 @@ 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_desc(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

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