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regulator: lp873x: 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>
hifive-unleashed-5.1
Axel Lin 2019-02-28 21:40:17 +08:00 committed by Mark Brown
parent 8918f06807
commit be6230c319
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 39 deletions
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45
drivers/regulator/lp873x-regulator.c
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@ -39,6 +39,10 @@
.ramp_delay = _delay, \
.linear_ranges = _lr, \
.n_linear_ranges = ARRAY_SIZE(_lr), \
.curr_table = lp873x_buck_uA, \
.n_current_limits = ARRAY_SIZE(lp873x_buck_uA), \
.csel_reg = (_cr), \
.csel_mask = LP873X_BUCK0_CTRL_2_BUCK0_ILIM,\
}, \
.ctrl2_reg = _cr, \
}
@ -108,43 +112,6 @@ static int lp873x_buck_set_ramp_delay(struct regulator_dev *rdev,
return 0;
}
static int lp873x_buck_set_current_limit(struct regulator_dev *rdev,
int min_uA, int max_uA)
{
int id = rdev_get_id(rdev);
struct lp873x *lp873 = rdev_get_drvdata(rdev);
int i;
for (i = ARRAY_SIZE(lp873x_buck_uA) - 1; i >= 0; i--) {
if (lp873x_buck_uA[i] >= min_uA &&
lp873x_buck_uA[i] <= max_uA)
return regmap_update_bits(lp873->regmap,
regulators[id].ctrl2_reg,
LP873X_BUCK0_CTRL_2_BUCK0_ILIM,
i << __ffs(LP873X_BUCK0_CTRL_2_BUCK0_ILIM));
}
return -EINVAL;
}
static int lp873x_buck_get_current_limit(struct regulator_dev *rdev)
{
int id = rdev_get_id(rdev);
struct lp873x *lp873 = rdev_get_drvdata(rdev);
int ret;
unsigned int val;
ret = regmap_read(lp873->regmap, regulators[id].ctrl2_reg, &val);
if (ret)
return ret;
val = (val & LP873X_BUCK0_CTRL_2_BUCK0_ILIM) >>
__ffs(LP873X_BUCK0_CTRL_2_BUCK0_ILIM);
return (val < ARRAY_SIZE(lp873x_buck_uA)) ?
lp873x_buck_uA[val] : -EINVAL;
}
/* Operations permitted on BUCK0, BUCK1 */
static const struct regulator_ops lp873x_buck01_ops = {
.is_enabled = regulator_is_enabled_regmap,
@ -156,8 +123,8 @@ static const struct regulator_ops lp873x_buck01_ops = {
.map_voltage = regulator_map_voltage_linear_range,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
.set_ramp_delay = lp873x_buck_set_ramp_delay,
.set_current_limit = lp873x_buck_set_current_limit,
.get_current_limit = lp873x_buck_get_current_limit,
.set_current_limit = regulator_set_current_limit_regmap,
.get_current_limit = regulator_get_current_limit_regmap,
};
/* Operations permitted on LDO0 and LDO1 */