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regulator: wm831x-isink: 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-5.2
Axel Lin 2019-03-13 00:33:56 +08:00 committed by Mark Brown
parent 5816df2f75
commit d48acfd037
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 9 additions and 40 deletions
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2
drivers/mfd/wm831x-core.c
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@ -33,7 +33,7 @@
/* Current settings - values are 2*2^(reg_val/4) microamps. These are
* exported since they are used by multiple drivers.
*/
int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = {
const unsigned int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = {
2,
2,
3,

45
drivers/regulator/wm831x-isink.c
View File

@ -92,48 +92,12 @@ static int wm831x_isink_is_enabled(struct regulator_dev *rdev)
return 0;
}
static int wm831x_isink_set_current(struct regulator_dev *rdev,
int min_uA, int max_uA)
{
struct wm831x_isink *isink = rdev_get_drvdata(rdev);
struct wm831x *wm831x = isink->wm831x;
int ret, i;
for (i = ARRAY_SIZE(wm831x_isinkv_values) - 1; i >= 0; i--) {
int val = wm831x_isinkv_values[i];
if (min_uA <= val && val <= max_uA) {
ret = wm831x_set_bits(wm831x, isink->reg,
WM831X_CS1_ISEL_MASK, i);
return ret;
}
}
return -EINVAL;
}
static int wm831x_isink_get_current(struct regulator_dev *rdev)
{
struct wm831x_isink *isink = rdev_get_drvdata(rdev);
struct wm831x *wm831x = isink->wm831x;
int ret;
ret = wm831x_reg_read(wm831x, isink->reg);
if (ret < 0)
return ret;
ret &= WM831X_CS1_ISEL_MASK;
if (ret > WM831X_ISINK_MAX_ISEL)
ret = WM831X_ISINK_MAX_ISEL;
return wm831x_isinkv_values[ret];
}
static const struct regulator_ops wm831x_isink_ops = {
.is_enabled = wm831x_isink_is_enabled,
.enable = wm831x_isink_enable,
.disable = wm831x_isink_disable,
.set_current_limit = wm831x_isink_set_current,
.get_current_limit = wm831x_isink_get_current,
.set_current_limit = regulator_set_current_limit_regmap,
.get_current_limit = regulator_get_current_limit_regmap,
};
static irqreturn_t wm831x_isink_irq(int irq, void *data)
@ -189,10 +153,15 @@ static int wm831x_isink_probe(struct platform_device *pdev)
isink->desc.ops = &wm831x_isink_ops;
isink->desc.type = REGULATOR_CURRENT;
isink->desc.owner = THIS_MODULE;
isink->desc.curr_table = wm831x_isinkv_values,
isink->desc.n_current_limits = ARRAY_SIZE(wm831x_isinkv_values),
isink->desc.csel_reg = isink->reg,
isink->desc.csel_mask = WM831X_CS1_ISEL_MASK,
config.dev = pdev->dev.parent;
config.init_data = pdata->isink[id];
config.driver_data = isink;
config.regmap = wm831x->regmap;
isink->regulator = devm_regulator_register(&pdev->dev, &isink->desc,
&config);

2
include/linux/mfd/wm831x/regulator.h
View File

@ -1213,6 +1213,6 @@
#define WM831X_LDO1_OK_WIDTH 1 /* LDO1_OK */
#define WM831X_ISINK_MAX_ISEL 55
extern int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1];
extern const unsigned int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1];
#endif