linux-kernel - [PATCH RFT 3/3] regulator: isl6271a: Convert to set_voltage_sel and regulator_map_voltage

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Message-ID: <1337134273.5940.4.camel@phoenix>
Date:	Wed, 16 May 2012 10:11:13 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Marek Vasut <marek.vasut@...il.com>, Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH RFT 3/3] regulator: isl6271a: Convert to set_voltage_sel and
 regulator_map_voltage_linear

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/isl6271a-regulator.c |   21 ++++++---------------
 1 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/drivers/regulator/isl6271a-regulator.c b/drivers/regulator/isl6271a-regulator.c
index 00cb288..56d273f 100644
--- a/drivers/regulator/isl6271a-regulator.c
+++ b/drivers/regulator/isl6271a-regulator.c
@@ -50,25 +50,15 @@ static int isl6271a_get_voltage_sel(struct regulator_dev *dev)
 	return idx;
 }
 
-static int isl6271a_set_voltage(struct regulator_dev *dev,
-				int minuV, int maxuV,
-				unsigned *selector)
+static int isl6271a_set_voltage_sel(struct regulator_dev *dev,
+				    unsigned selector)
 {
 	struct isl_pmic *pmic = rdev_get_drvdata(dev);
-	int err, data;
-
-	if (minuV < ISL6271A_VOLTAGE_MIN || minuV > ISL6271A_VOLTAGE_MAX)
-		return -EINVAL;
-	if (maxuV < ISL6271A_VOLTAGE_MIN || maxuV > ISL6271A_VOLTAGE_MAX)
-		return -EINVAL;
-
-	data = DIV_ROUND_UP(minuV - ISL6271A_VOLTAGE_MIN,
-			    ISL6271A_VOLTAGE_STEP);
-	*selector = data;
+	int err;
 
 	mutex_lock(&pmic->mtx);
 
-	err = i2c_smbus_write_byte(pmic->client, data);
+	err = i2c_smbus_write_byte(pmic->client, selector);
 	if (err < 0)
 		dev_err(&pmic->client->dev, "Error setting voltage\n");
 
@@ -78,8 +68,9 @@ static int isl6271a_set_voltage(struct regulator_dev *dev,
 
 static struct regulator_ops isl_core_ops = {
 	.get_voltage_sel = isl6271a_get_voltage_sel,
-	.set_voltage	= isl6271a_set_voltage,
+	.set_voltage_sel = isl6271a_set_voltage_sel,
 	.list_voltage	= regulator_list_voltage_linear,
+	.map_voltage	= regulator_map_voltage_linear,
 };
 
 static int isl6271a_get_fixed_voltage(struct regulator_dev *dev)
-- 
1.7.5.4



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