regulator: da9055: Use linear_min_sel and regulator_[map|list]_voltage_linear
Axel Lin [Tue, 27 Nov 2012 02:26:14 +0000 (10:26 +0800)]
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/da9055-regulator.c

index 121564b..2253559 100644 (file)
@@ -57,7 +57,6 @@ struct da9055_volt_reg {
        int reg_a;
        int reg_b;
        int sl_shift;
-       int v_offset;
        int v_mask;
        int v_shift;
 };
@@ -204,41 +203,6 @@ static int da9055_buck_set_current_limit(struct regulator_dev *rdev, int min_uA,
                                info->mode.mask, val << info->mode.shift);
 }
 
-static int da9055_list_voltage(struct regulator_dev *rdev, unsigned selector)
-{
-       struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
-
-       if (selector >= rdev->desc->n_voltages)
-               return -EINVAL;
-
-       if (selector < info->volt.v_offset)
-               return 0;
-
-       selector -= info->volt.v_offset;
-       return rdev->desc->min_uV + (rdev->desc->uV_step * selector);
-}
-
-static int da9055_map_voltage(struct regulator_dev *rdev, int min_uV,
-                             int max_uV)
-{
-       struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
-       struct da9055_regulator_info *info = regulator->info;
-       int sel, voltage;
-
-       if (min_uV < rdev->desc->min_uV)
-               min_uV = rdev->desc->min_uV;
-
-       sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
-       sel += info->volt.v_offset;
-
-       voltage = da9055_list_voltage(rdev, sel);
-       if (voltage < min_uV || voltage > max_uV)
-               return -EINVAL;
-
-       return sel;
-}
-
 static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev)
 {
        struct da9055_regulator *regulator = rdev_get_drvdata(rdev);
@@ -267,10 +231,7 @@ static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev)
                return ret;
 
        sel = (ret & volt.v_mask);
-       if (sel <= volt.v_offset)
-               return 0;
-       else
-               return sel;
+       return sel;
 }
 
 static int da9055_regulator_set_voltage_sel(struct regulator_dev *rdev,
@@ -331,7 +292,7 @@ static int da9055_regulator_set_suspend_voltage(struct regulator_dev *rdev,
                        return ret;
        }
 
-       ret = da9055_map_voltage(rdev, uV, uV);
+       ret = regulator_map_voltage_linear(rdev, uV, uV);
        if (ret < 0)
                return ret;
 
@@ -374,8 +335,8 @@ static struct regulator_ops da9055_buck_ops = {
 
        .get_voltage_sel = da9055_regulator_get_voltage_sel,
        .set_voltage_sel = da9055_regulator_set_voltage_sel,
-       .list_voltage = da9055_list_voltage,
-       .map_voltage = da9055_map_voltage,
+       .list_voltage = regulator_list_voltage_linear,
+       .map_voltage = regulator_map_voltage_linear,
        .is_enabled = regulator_is_enabled_regmap,
        .enable = regulator_enable_regmap,
        .disable = regulator_disable_regmap,
@@ -392,8 +353,8 @@ static struct regulator_ops da9055_ldo_ops = {
 
        .get_voltage_sel = da9055_regulator_get_voltage_sel,
        .set_voltage_sel = da9055_regulator_set_voltage_sel,
-       .list_voltage = da9055_list_voltage,
-       .map_voltage = da9055_map_voltage,
+       .list_voltage = regulator_list_voltage_linear,
+       .map_voltage = regulator_map_voltage_linear,
        .is_enabled = regulator_is_enabled_regmap,
        .enable = regulator_enable_regmap,
        .disable = regulator_disable_regmap,
@@ -417,6 +378,7 @@ static struct regulator_ops da9055_ldo_ops = {
                .enable_mask = 1, \
                .min_uV = (min) * 1000,\
                .uV_step = (step) * 1000,\
+               .linear_min_sel = (voffset),\
                .owner = THIS_MODULE,\
        },\
        .conf = {\
@@ -428,7 +390,6 @@ static struct regulator_ops da9055_ldo_ops = {
                .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \
                .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \
                .sl_shift = 7,\
-               .v_offset = (voffset),\
                .v_mask = (1 << (vbits)) - 1,\
                .v_shift = (vbits),\
        },\
@@ -446,6 +407,7 @@ static struct regulator_ops da9055_ldo_ops = {
                .enable_mask = 1,\
                .min_uV = (min) * 1000,\
                .uV_step = (step) * 1000,\
+               .linear_min_sel = (voffset),\
                .owner = THIS_MODULE,\
        },\
        .conf = {\
@@ -457,7 +419,6 @@ static struct regulator_ops da9055_ldo_ops = {
                .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \
                .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \
                .sl_shift = 7,\
-               .v_offset = (voffset),\
                .v_mask = (1 << (vbits)) - 1,\
                .v_shift = (vbits),\
        },\