linux-kernel - [PATCH] hwmon: da9052: Use da9052_reg

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Date:	Thu, 11 Oct 2012 22:03:51 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Jean Delvare <khali@...ux-fr.org>,
	Guenter Roeck <linux@...ck-us.net>
Cc:	David Dajun Chen <dchen@...semi.com>,
	Ashish Jangam <ashish.jangam@...tcummins.com>,
	lm-sensors@...sensors.org, linux-kernel@...r.kernel.org
Subject: [PATCH] hwmon: da9052: Use da9052_reg_update for rmw operations

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/hwmon/da9052-hwmon.c |   27 +++++++--------------------
 1 file changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c
index b8d01c5..1970494 100644
--- a/drivers/hwmon/da9052-hwmon.c
+++ b/drivers/hwmon/da9052-hwmon.c
@@ -60,30 +60,17 @@ static inline int vbbat_reg_to_mV(int value)
 	return DIV_ROUND_CLOSEST(value * 2500, 512);
 }
 
-static int da9052_enable_vddout_channel(struct da9052 *da9052)
+static inline int da9052_enable_vddout_channel(struct da9052 *da9052)
 {
-	int ret;
-
-	ret = da9052_reg_read(da9052, DA9052_ADC_CONT_REG);
-	if (ret < 0)
-		return ret;
-
-	ret |= DA9052_ADCCONT_AUTOVDDEN;
-
-	return da9052_reg_write(da9052, DA9052_ADC_CONT_REG, ret);
+	return da9052_reg_update(da9052, DA9052_ADC_CONT_REG,
+				 DA9052_ADCCONT_AUTOVDDEN,
+				 DA9052_ADCCONT_AUTOVDDEN);
 }
 
-static int da9052_disable_vddout_channel(struct da9052 *da9052)
+static inline int da9052_disable_vddout_channel(struct da9052 *da9052)
 {
-	int ret;
-
-	ret = da9052_reg_read(da9052, DA9052_ADC_CONT_REG);
-	if (ret < 0)
-		return ret;
-
-	ret &= ~DA9052_ADCCONT_AUTOVDDEN;
-
-	return da9052_reg_write(da9052, DA9052_ADC_CONT_REG, ret);
+	return da9052_reg_update(da9052, DA9052_ADC_CONT_REG,
+				 DA9052_ADCCONT_AUTOVDDEN, 0);
 }
 
 static ssize_t da9052_read_vddout(struct device *dev,
-- 
1.7.9.5



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