regulator: da9055: Use linear_min_sel and regulator_[map|list]_voltage_linear

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

1 files changed, 8 insertions, 47 deletions

diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c
index 121564bb5415..2253559703ce 100644
--- a/drivers/regulator/da9055-regulator.c
+++ b/drivers/regulator/da9055-regulator.c
@@ -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),\
         },\