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| author | Axel Lin <axel.lin@ingics.com> | 2019-02-28 16:40:22 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-03-04 03:00:27 +0300 |
| commit | 20eb641e471a6a9ff64b10edb199e72cb847b9ef (patch) | |
| tree | e2f0a40b663599d1e6c7baa892ea6c8fcc64d8e9 /drivers | |
| parent | f4afd05ed6b6ccec43d347d822676332777fc32f (diff) | |
| download | linux-20eb641e471a6a9ff64b10edb199e72cb847b9ef.tar.xz | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/wm831x-dcdc.c | 42 |
1 files 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) { |