static int lp8788_ldo_enable(struct regulator_dev *rdev)
{
struct lp8788_ldo *ldo = rdev_get_drvdata(rdev);
if (ldo->en_pin) {
gpio_set_value(ldo->en_pin->gpio, ENABLE);
return 0;
} else {
return regulator_enable_regmap(rdev);
}
}
static int arizona_micsupp_enable(struct regulator_dev *rdev)
{
struct arizona_micsupp *micsupp = rdev_get_drvdata(rdev);
int ret;
ret = regulator_enable_regmap(rdev);
if (ret == 0)
schedule_work(&micsupp->check_cp_work);
return ret;
}
static int lochnagar_micbias_enable(struct regulator_dev *rdev)
{
struct lochnagar *lochnagar = rdev_get_drvdata(rdev);
int ret;
mutex_lock(&lochnagar->analogue_config_lock);
ret = regulator_enable_regmap(rdev);
if (ret < 0)
goto err;
ret = lochnagar_update_config(lochnagar);
err:
mutex_unlock(&lochnagar->analogue_config_lock);
return ret;
}
static int hi6421_regulator_enable(struct regulator_dev *rdev)
{
struct hi6421_regulator_pdata *pdata;
pdata = dev_get_drvdata(rdev->dev.parent);
/* hi6421 spec requires regulator enablement must be serialized:
* - Because when BUCK, LDO switching from off to on, it will have
* a huge instantaneous current; so you can not turn on two or
* more LDO or BUCKs simultaneously, or it may burn the chip.
*/
mutex_lock(&pdata->lock);
/* call regulator regmap helper */
regulator_enable_regmap(rdev);
mutex_unlock(&pdata->lock);
return 0;
}
/*
* We need to also configure regulator idle mode for SoC off mode if
* CPCAP_REG_OFF_MODE_SEC is set.
*/
static int cpcap_regulator_enable(struct regulator_dev *rdev)
{
struct cpcap_regulator *regulator = rdev_get_drvdata(rdev);
int error, ignore;
error = regulator_enable_regmap(rdev);
if (error)
return error;
if (rdev->desc->enable_val & CPCAP_REG_OFF_MODE_SEC) {
error = regmap_update_bits(rdev->regmap, regulator->assign_reg,
regulator->assign_mask,
regulator->assign_mask);
if (error)
ignore = regulator_disable_regmap(rdev);
}
return error;
}
