regulator: lp872x: Convert to use regulator_set/get_current_limit_regmap

Use regulator_set/get_current_limit_regmap helpers to save some code.

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

diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index f8f875bad7ddb69ac1cbc72ce0bc44df867747bf..ca95257ce25216d9e8c3b82524c379bcff1f3f80 100644 (file)
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -353,64 +353,6 @@ static int lp872x_buck_get_voltage_sel(struct regulator_dev *rdev)
        return val & LP872X_VOUT_M;
 }
 
-static int lp8725_buck_set_current_limit(struct regulator_dev *rdev,
-                                       int min_uA, int max_uA)
-{
-       struct lp872x *lp = rdev_get_drvdata(rdev);
-       enum lp872x_regulator_id buck = rdev_get_id(rdev);
-       int i;
-       u8 addr;
-
-       switch (buck) {
-       case LP8725_ID_BUCK1:
-               addr = LP8725_BUCK1_VOUT2;
-               break;
-       case LP8725_ID_BUCK2:
-               addr = LP8725_BUCK2_VOUT2;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       for (i = ARRAY_SIZE(lp8725_buck_uA) - 1; i >= 0; i--) {
-               if (lp8725_buck_uA[i] >= min_uA &&
-                       lp8725_buck_uA[i] <= max_uA)
-                       return lp872x_update_bits(lp, addr,
-                                                 LP8725_BUCK_CL_M,
-                                                 i << LP8725_BUCK_CL_S);
-       }
-
-       return -EINVAL;
-}
-
-static int lp8725_buck_get_current_limit(struct regulator_dev *rdev)
-{
-       struct lp872x *lp = rdev_get_drvdata(rdev);
-       enum lp872x_regulator_id buck = rdev_get_id(rdev);
-       u8 addr, val;
-       int ret;
-
-       switch (buck) {
-       case LP8725_ID_BUCK1:
-               addr = LP8725_BUCK1_VOUT2;
-               break;
-       case LP8725_ID_BUCK2:
-               addr = LP8725_BUCK2_VOUT2;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       ret = lp872x_read_byte(lp, addr, &val);
-       if (ret)
-               return ret;
-
-       val = (val & LP8725_BUCK_CL_M) >> LP8725_BUCK_CL_S;
-
-       return (val < ARRAY_SIZE(lp8725_buck_uA)) ?
-                       lp8725_buck_uA[val] : -EINVAL;
-}
-
 static int lp872x_buck_set_mode(struct regulator_dev *rdev, unsigned int mode)
 {
        struct lp872x *lp = rdev_get_drvdata(rdev);
@@ -513,8 +455,8 @@ static const struct regulator_ops lp8725_buck_ops = {
        .enable_time = lp872x_regulator_enable_time,
        .set_mode = lp872x_buck_set_mode,
        .get_mode = lp872x_buck_get_mode,
-       .set_current_limit = lp8725_buck_set_current_limit,
-       .get_current_limit = lp8725_buck_get_current_limit,
+       .set_current_limit = regulator_set_current_limit_regmap,
+       .get_current_limit = regulator_get_current_limit_regmap,
 };
 
 static const struct regulator_desc lp8720_regulator_desc[] = {
@@ -712,6 +654,10 @@ static const struct regulator_desc lp8725_regulator_desc[] = {
                .owner = THIS_MODULE,
                .enable_reg = LP872X_GENERAL_CFG,
                .enable_mask = LP8725_BUCK1_EN_M,
+               .curr_table = lp8725_buck_uA,
+               .n_current_limits = ARRAY_SIZE(lp8725_buck_uA),
+               .csel_reg = LP8725_BUCK1_VOUT2,
+               .csel_mask = LP8725_BUCK_CL_M,
        },
        {
                .name = "buck2",
@@ -724,6 +670,10 @@ static const struct regulator_desc lp8725_regulator_desc[] = {
                .owner = THIS_MODULE,
                .enable_reg = LP872X_GENERAL_CFG,
                .enable_mask = LP8725_BUCK2_EN_M,
+               .curr_table = lp8725_buck_uA,
+               .n_current_limits = ARRAY_SIZE(lp8725_buck_uA),
+               .csel_reg = LP8725_BUCK2_VOUT2,
+               .csel_mask = LP8725_BUCK_CL_M,
        },
 };