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authorAxel Lin <axel.lin@ingics.com>2019-02-28 16:40:16 +0300
committerMark Brown <broonie@kernel.org>2019-03-04 02:46:45 +0300
commit8918f068070010928b9a0ae85a9453936dba29a9 (patch)
treef9269421805155fef0635f9c6ad4d6bbb20f150d /drivers/regulator/lp872x.c
parent8b3216c40136a3d6594edeec56e6ef1910709432 (diff)
downloadlinux-8918f068070010928b9a0ae85a9453936dba29a9.tar.xz
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>
Diffstat (limited to 'drivers/regulator/lp872x.c')
-rw-r--r--drivers/regulator/lp872x.c70
1 files changed, 10 insertions, 60 deletions
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index f8f875bad7dd..ca95257ce252 100644
--- 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,
},
};