regulator: wm8350: Convert LDOs to set_voltage_sel()

Since there are two linear ranges for the LDO voltages provide a voltage
mapping function and then use regulator_set_voltage_sel_regmap().

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 33c37f9..ca678ee 100644 (file)
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -671,13 +671,12 @@ static int wm8350_ldo_set_suspend_disable(struct regulator_dev *rdev)
        return 0;
 }
 
-static int wm8350_ldo_set_voltage(struct regulator_dev *rdev, int min_uV,
-                                 int max_uV, unsigned *selector)
+static int wm8350_ldo_map_voltage(struct regulator_dev *rdev, int min_uV,
+                                 int max_uV)
 {
-       struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
-       int volt_reg, ldo = rdev_get_id(rdev), mV, min_mV = min_uV / 1000,
-               max_mV = max_uV / 1000;
-       u16 val;
+       int mV;
+       int min_mV = min_uV / 1000;
+       int max_mV = max_uV / 1000;
 
        if (min_mV < 900 || min_mV > 3300)
                return -EINVAL;
@@ -698,29 +697,7 @@ static int wm8350_ldo_set_voltage(struct regulator_dev *rdev, int min_uV,
                BUG_ON(wm8350_ldo_val_to_mvolts(mV) < min_mV);
        }
 
-       switch (ldo) {
-       case WM8350_LDO_1:
-               volt_reg = WM8350_LDO1_CONTROL;
-               break;
-       case WM8350_LDO_2:
-               volt_reg = WM8350_LDO2_CONTROL;
-               break;
-       case WM8350_LDO_3:
-               volt_reg = WM8350_LDO3_CONTROL;
-               break;
-       case WM8350_LDO_4:
-               volt_reg = WM8350_LDO4_CONTROL;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       *selector = mV;
-
-       /* all LDOs have same mV bits */
-       val = wm8350_reg_read(wm8350, volt_reg) & ~WM8350_LDO1_VSEL_MASK;
-       wm8350_reg_write(wm8350, volt_reg, val | mV);
-       return 0;
+       return mV;
 }
 
 static int wm8350_ldo_list_voltage(struct regulator_dev *rdev,
@@ -1058,7 +1035,8 @@ static struct regulator_ops wm8350_dcdc2_5_ops = {
 };
 
 static struct regulator_ops wm8350_ldo_ops = {
-       .set_voltage = wm8350_ldo_set_voltage,
+       .map_voltage = wm8350_ldo_map_voltage,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
        .get_voltage_sel = regulator_get_voltage_sel_regmap,
        .list_voltage = wm8350_ldo_list_voltage,
        .enable = regulator_enable_regmap,