regulator: helpers: Add regmap set_soft_start helper
Add a helper function regulator_set_soft_start_regmap to allow regmap
based regulators to easily enable soft start.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index 379cdac..a75e7da 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -446,6 +446,24 @@ int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable)
EXPORT_SYMBOL_GPL(regulator_set_bypass_regmap);
/**
+ * regulator_set_soft_start_regmap - Default set_soft_start() using regmap
+ *
+ * @rdev: device to operate on.
+ */
+int regulator_set_soft_start_regmap(struct regulator_dev *rdev)
+{
+ unsigned int val;
+
+ val = rdev->desc->soft_start_val_on;
+ if (!val)
+ val = rdev->desc->soft_start_mask;
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->soft_start_reg,
+ rdev->desc->soft_start_mask, val);
+}
+EXPORT_SYMBOL_GPL(regulator_set_soft_start_regmap);
+
+/**
* regulator_get_bypass_regmap - Default get_bypass() using regmap
*
* @rdev: device to operate on.