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regulator: max77686: Use already set opmode while re-enabling regulators. 

This patch adds basic support to take care of opmode(if any) which can be set by
set_suspend_[disable/mode] callbacks.

Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Yadwinder Singh Brar 2012-10-16 17:24:18 +05:30 committed by Mark Brown
parent ddffeb8c4d
commit 6d2c896b72
1 changed files with 14 additions and 2 deletions
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16
drivers/regulator/max77686.c
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@ -67,8 +67,18 @@ enum max77686_ramp_rate {
struct max77686_data {
struct regulator_dev *rdev[MAX77686_REGULATORS];
unsigned int opmode[MAX77686_REGULATORS];
};
int max77686_enable(struct regulator_dev *rdev)
{
struct max77686_data *max77686 = rdev_get_drvdata(rdev);
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
rdev->desc->enable_mask,
max77686->opmode[rdev->desc->id]);
}
static int max77686_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
{
unsigned int ramp_value = RAMP_RATE_NO_CTRL;
@ -98,7 +108,7 @@ static struct regulator_ops max77686_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.enable = max77686_enable,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
@ -109,7 +119,7 @@ static struct regulator_ops max77686_buck_dvs_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.enable = max77686_enable,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
@ -314,12 +324,14 @@ static __devinit int max77686_pmic_probe(struct platform_device *pdev)
config.dev = &pdev->dev;
config.regmap = iodev->regmap;
config.driver_data = max77686;
platform_set_drvdata(pdev, max77686);
for (i = 0; i < MAX77686_REGULATORS; i++) {
config.init_data = pdata->regulators[i].initdata;
config.of_node = pdata->regulators[i].of_node;
max77686->opmode[i] = regulators[i].enable_mask;
max77686->rdev[i] = regulator_register(&regulators[i], &config);
if (IS_ERR(max77686->rdev[i])) {
ret = PTR_ERR(max77686->rdev[i]);