regulator: max1586: Convert max1586_v3_ops to regulator_list_voltage_linear

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 11 insertions, 21 deletions

diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 126c7d8f31c..a54771e4d96 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -63,14 +63,6 @@ static int v6_voltages_uv[] = { 1, 1800000, 2500000, 3000000 };
  * R24 and R25=100kOhm as described in the data sheet.
  * The gain is approximately: 1 + R24/R25 + R24/185.5kOhm
  */
-static int max1586_v3_calc_voltage(struct max1586_data *max1586,
-        unsigned selector)
-{
-        unsigned range_uV = max1586->max_uV - max1586->min_uV;
-
-        return max1586->min_uV + (selector * range_uV / MAX1586_V3_MAX_VSEL);
-}
-
 static int max1586_v3_set(struct regulator_dev *rdev, int min_uV, int max_uV,
                           unsigned *selector)
 {
@@ -86,25 +78,16 @@ static int max1586_v3_set(struct regulator_dev *rdev, int min_uV, int max_uV,
 
         *selector = DIV_ROUND_UP((min_uV - max1586->min_uV) *
                                  MAX1586_V3_MAX_VSEL, range_uV);
-        if (max1586_v3_calc_voltage(max1586, *selector) > max_uV)
+        if (regulator_list_voltage_linear(rdev, *selector) > max_uV)
                 return -EINVAL;
 
         dev_dbg(&client->dev, "changing voltage v3 to %dmv\n",
-                max1586_v3_calc_voltage(max1586, *selector) / 1000);
+                regulator_list_voltage_linear(rdev, *selector) / 1000);
 
         v3_prog = I2C_V3_SELECT | (u8) *selector;
         return i2c_smbus_write_byte(client, v3_prog);
 }
 
-static int max1586_v3_list(struct regulator_dev *rdev, unsigned selector)
-{
-        struct max1586_data *max1586 = rdev_get_drvdata(rdev);
-
-        if (selector > MAX1586_V3_MAX_VSEL)
-                return -EINVAL;
-        return max1586_v3_calc_voltage(max1586, selector);
-}
-
 static int max1586_v6_set_voltage_sel(struct regulator_dev *rdev,
                                       unsigned int selector)
 {
@@ -124,7 +107,7 @@ static int max1586_v6_set_voltage_sel(struct regulator_dev *rdev,
  */
 static struct regulator_ops max1586_v3_ops = {
         .set_voltage = max1586_v3_set,
-        .list_voltage = max1586_v3_list,
+        .list_voltage = regulator_list_voltage_linear,
 };
 
 static struct regulator_ops max1586_v6_ops = {
@@ -132,7 +115,7 @@ static struct regulator_ops max1586_v6_ops = {
         .list_voltage = regulator_list_voltage_table,
 };
 
-static const struct regulator_desc max1586_reg[] = {
+static struct regulator_desc max1586_reg[] = {
         {
                 .name = "Output_V3",
                 .id = MAX1586_V3,
@@ -185,6 +168,13 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
                         goto err;
                 }
 
+                if (id == MAX1586_V3) {
+                        max1586_reg[id].min_uV = max1586->min_uV;
+                        max1586_reg[id].uV_step =
+                                        (max1586->max_uV - max1586->min_uV) /
+                                        MAX1586_V3_MAX_VSEL;
+                }
+
                 config.dev = &client->dev;
                 config.init_data = pdata->subdevs[i].platform_data;
                 config.driver_data = max1586;