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>

diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c
index 2a67d08..20dae7b 100644 (file)
--- a/drivers/regulator/max77686.c
+++ b/drivers/regulator/max77686.c
@@ -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]);