[PATCH 11/11] regulator: wm831x-dcdc: Convert to use regulator_set/get_current_limit_regmap

From: Axel Lin
Date: Thu Feb 28 2019 - 08:41:36 EST


Use regulator_set/get_current_limit_regmap helpers to save some code.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
drivers/regulator/wm831x-dcdc.c | 42 +++++----------------------------
1 file changed, 6 insertions(+), 36 deletions(-)

diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 828f262d6be0..12b422373580 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -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) {
--
2.17.1