regulator: palmas: 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, 5 insertions, 32 deletions

diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 07aee694ba92..111d76b04bb5 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -436,44 +436,14 @@ static int palmas_is_enabled_ldo(struct regulator_dev *dev)
         return !!(reg);
 }
 
-static int palmas_list_voltage_ldo(struct regulator_dev *dev,
-                                        unsigned selector)
-{
-        if (!selector)
-                return 0;
-
-        /* voltage is 0.85V + (selector * 0.05v) */
-        return  850000 + (selector * 50000);
-}
-
-static int palmas_map_voltage_ldo(struct regulator_dev *rdev,
-                int min_uV, int max_uV)
-{
-        int ret, voltage;
-
-        if (min_uV == 0)
-                return 0;
-
-        if (min_uV < 900000)
-                min_uV = 900000;
-        ret = DIV_ROUND_UP(min_uV - 900000, 50000) + 1;
-
-        /* Map back into a voltage to verify we're still in bounds */
-        voltage = palmas_list_voltage_ldo(rdev, ret);
-        if (voltage < min_uV || voltage > max_uV)
-                return -EINVAL;
-
-        return ret;
-}
-
 static struct regulator_ops palmas_ops_ldo = {
         .is_enabled             = palmas_is_enabled_ldo,
         .enable                 = regulator_enable_regmap,
         .disable                = regulator_disable_regmap,
         .get_voltage_sel        = regulator_get_voltage_sel_regmap,
         .set_voltage_sel        = regulator_set_voltage_sel_regmap,
-        .list_voltage           = palmas_list_voltage_ldo,
-        .map_voltage            = palmas_map_voltage_ldo,
+        .list_voltage           = regulator_list_voltage_linear,
+        .map_voltage            = regulator_map_voltage_linear,
 };
 
 /*
@@ -821,6 +791,9 @@ static __devinit int palmas_probe(struct platform_device *pdev)
 
                 pmic->desc[id].type = REGULATOR_VOLTAGE;
                 pmic->desc[id].owner = THIS_MODULE;
+                pmic->desc[id].min_uV = 900000;
+                pmic->desc[id].uV_step = 50000;
+                pmic->desc[id].linear_min_sel = 1;
                 pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
                                                 palmas_regs_info[id].vsel_addr);
                 pmic->desc[id].vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;