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regulator: wm831x-dcdc: 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>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
hifive-unleashed-5.1
Axel Lin 2019-02-28 21:40:22 +08:00 committed by Mark Brown
parent f4afd05ed6
commit 20eb641e47
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GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 36 deletions
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42
drivers/regulator/wm831x-dcdc.c
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@ -308,48 +308,14 @@ static const unsigned int wm831x_dcdc_ilim[] = {
125000, 250000, 375000, 500000, 625000, 750000, 875000, 1000000
};
static int wm831x_buckv_set_current_limit(struct regulator_dev *rdev,
int min_uA, int max_uA)
{
struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
struct wm831x *wm831x = dcdc->wm831x;
u16 reg = dcdc->base + WM831X_DCDC_CONTROL_2;
int i;
for (i = ARRAY_SIZE(wm831x_dcdc_ilim) - 1; i >= 0; i--) {
if ((min_uA <= wm831x_dcdc_ilim[i]) &&
(wm831x_dcdc_ilim[i] <= max_uA))
return wm831x_set_bits(wm831x, reg,
WM831X_DC1_HC_THR_MASK,
i << WM831X_DC1_HC_THR_SHIFT);
}
return -EINVAL;
}
static int wm831x_buckv_get_current_limit(struct regulator_dev *rdev)
{
struct wm831x_dcdc *dcdc = rdev_get_drvdata(rdev);
struct wm831x *wm831x = dcdc->wm831x;
u16 reg = dcdc->base + WM831X_DCDC_CONTROL_2;
int val;
val = wm831x_reg_read(wm831x, reg);
if (val < 0)
return val;
val = (val & WM831X_DC1_HC_THR_MASK) >> WM831X_DC1_HC_THR_SHIFT;
return wm831x_dcdc_ilim[val];
}
static const struct regulator_ops wm831x_buckv_ops = {
.set_voltage_sel = wm831x_buckv_set_voltage_sel,
.get_voltage_sel = wm831x_buckv_get_voltage_sel,
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
.set_suspend_voltage = wm831x_buckv_set_suspend_voltage,
.set_current_limit = wm831x_buckv_set_current_limit,
.get_current_limit = wm831x_buckv_get_current_limit,
.set_current_limit = regulator_set_current_limit_regmap,
.get_current_limit = regulator_get_current_limit_regmap,
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
@ -475,6 +441,10 @@ static int wm831x_buckv_probe(struct platform_device *pdev)
dcdc->desc.owner = THIS_MODULE;
dcdc->desc.enable_reg = WM831X_DCDC_ENABLE;
dcdc->desc.enable_mask = 1 << id;
dcdc->desc.csel_reg = dcdc->base + WM831X_DCDC_CONTROL_2;
dcdc->desc.csel_mask = WM831X_DC1_HC_THR_MASK;
dcdc->desc.n_current_limits = ARRAY_SIZE(wm831x_dcdc_ilim);
dcdc->desc.curr_table = wm831x_dcdc_ilim;
ret = wm831x_reg_read(wm831x, dcdc->base + WM831X_DCDC_ON_CONFIG);
if (ret < 0) {