regulator: helper: Add helper to configure active-discharge using regmap
Add helper function to set the state of active-discharge of
regulator using regmap. The HW regulator driver can directly
use this by providing the necessary information in the regulator
descriptor.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index 3bbb326..b1e32e7 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -465,3 +465,26 @@
return 0;
}
EXPORT_SYMBOL_GPL(regulator_get_bypass_regmap);
+
+/**
+ * regulator_set_active_discharge_regmap - Default set_active_discharge()
+ * using regmap
+ *
+ * @rdev: device to operate on.
+ * @enable: state to set, 0 to disable and 1 to enable.
+ */
+int regulator_set_active_discharge_regmap(struct regulator_dev *rdev,
+ bool enable)
+{
+ unsigned int val;
+
+ if (enable)
+ val = rdev->desc->active_discharge_on;
+ else
+ val = rdev->desc->active_discharge_off;
+
+ return regmap_update_bits(rdev->regmap,
+ rdev->desc->active_discharge_reg,
+ rdev->desc->active_discharge_mask, val);
+}
+EXPORT_SYMBOL_GPL(regulator_set_active_discharge_regmap);