regulator: max8997: Convert max8997_safeout_ops to set_voltage_sel and list_voltage_table

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

diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 57e8907..c30424a 100644 (file)
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -54,6 +54,13 @@ struct max8997_data {
        u8 saved_states[MAX8997_REG_MAX];
 };
 
+static const unsigned int safeoutvolt[] = {
+       4850000,
+       4900000,
+       4950000,
+       3300000,
+};
+
 static inline void max8997_set_gpio(struct max8997_data *max8997)
 {
        int set3 = (max8997->buck125_gpioindex) & 0x1;
@@ -130,29 +137,6 @@ static const struct voltage_map_desc *reg_voltage_map[] = {
        [MAX8997_CHARGER_TOPOFF] = &topoff_current_map_desc,
 };
 
-static int max8997_list_voltage_safeout(struct regulator_dev *rdev,
-               unsigned int selector)
-{
-       int rid = rdev_get_id(rdev);
-
-       if (rid == MAX8997_ESAFEOUT1 || rid == MAX8997_ESAFEOUT2) {
-               switch (selector) {
-               case 0:
-                       return 4850000;
-               case 1:
-                       return 4900000;
-               case 2:
-                       return 4950000;
-               case 3:
-                       return 3300000;
-               default:
-                       return -EINVAL;
-               }
-       }
-
-       return -EINVAL;
-}
-
 static int max8997_list_voltage_charger_cv(struct regulator_dev *rdev,
                unsigned int selector)
 {
@@ -722,49 +706,23 @@ out:
        return 0;
 }
 
-static const int safeoutvolt[] = {
-       3300000,
-       4850000,
-       4900000,
-       4950000,
-};
-
 /* For SAFEOUT1 and SAFEOUT2 */
-static int max8997_set_voltage_safeout(struct regulator_dev *rdev,
-               int min_uV, int max_uV, unsigned *selector)
+static int max8997_set_voltage_safeout_sel(struct regulator_dev *rdev,
+                                          unsigned selector)
 {
        struct max8997_data *max8997 = rdev_get_drvdata(rdev);
        struct i2c_client *i2c = max8997->iodev->i2c;
        int rid = rdev_get_id(rdev);
        int reg, shift = 0, mask, ret;
-       int i = 0;
-       u8 val;
 
        if (rid != MAX8997_ESAFEOUT1 && rid != MAX8997_ESAFEOUT2)
                return -EINVAL;
 
-       for (i = 0; i < ARRAY_SIZE(safeoutvolt); i++) {
-               if (min_uV <= safeoutvolt[i] &&
-                               max_uV >= safeoutvolt[i])
-                       break;
-       }
-
-       if (i >= ARRAY_SIZE(safeoutvolt))
-               return -EINVAL;
-
-       if (i == 0)
-               val = 0x3;
-       else
-               val = i - 1;
-
        ret = max8997_get_voltage_register(rdev, &reg, &shift, &mask);
        if (ret)
                return ret;
 
-       ret = max8997_update_reg(i2c, reg, val << shift, mask << shift);
-       *selector = val;
-
-       return ret;
+       return max8997_update_reg(i2c, reg, selector << shift, mask << shift);
 }
 
 static int max8997_reg_disable_suspend(struct regulator_dev *rdev)
@@ -824,12 +782,12 @@ static struct regulator_ops max8997_fixedvolt_ops = {
 };
 
 static struct regulator_ops max8997_safeout_ops = {
-       .list_voltage           = max8997_list_voltage_safeout,
+       .list_voltage           = regulator_list_voltage_table,
        .is_enabled             = max8997_reg_is_enabled,
        .enable                 = max8997_reg_enable,
        .disable                = max8997_reg_disable,
        .get_voltage_sel        = max8997_get_voltage_sel,
-       .set_voltage            = max8997_set_voltage_safeout,
+       .set_voltage_sel        = max8997_set_voltage_safeout_sel,
        .set_suspend_disable    = max8997_reg_disable_suspend,
 };
 
@@ -1235,13 +1193,15 @@ static int max8997_pmic_probe(struct platform_device *pdev)
                int id = pdata->regulators[i].id;
 
                desc = reg_voltage_map[id];
-               if (desc)
+               if (desc) {
                        regulators[id].n_voltages =
                                (desc->max - desc->min) / desc->step + 1;
-               else if (id == MAX8997_ESAFEOUT1 || id == MAX8997_ESAFEOUT2)
-                       regulators[id].n_voltages = 4;
-               else if (id == MAX8997_CHARGER_CV)
+               } else if (id == MAX8997_ESAFEOUT1 || id == MAX8997_ESAFEOUT2) {
+                       regulators[id].volt_table = safeoutvolt;
+                       regulators[id].n_voltages = ARRAY_SIZE(safeoutvolt);
+               } else if (id == MAX8997_CHARGER_CV) {
                        regulators[id].n_voltages = 16;
+               }
 
                config.dev = max8997->dev;
                config.init_data = pdata->regulators[i].initdata;