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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2017-03-28 15:14:41 +0100
committerMark Brown <broonie@kernel.org>2017-04-06 19:29:37 +0100
commitf7d37bc3cb20828ac43b22cbd40222877ee2c46a (patch)
treefc8925fad5871c81f776ed6b58cbfe729abdf681 /drivers/regulator
parenta7a453f56a1a116027f84ac53b365eb045a0e279 (diff)
downloadlinux-f7d37bc3cb20828ac43b22cbd40222877ee2c46a.tar.bz2
regulator: helpers: Add regmap set_pull_down helper
Add a helper function regulator_set_pull_down_regmap to allow regmap based regulators to easily enable pull down. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/helpers.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index a75e7da49af8..2ae7c3ac5940 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -464,6 +464,24 @@ int regulator_set_soft_start_regmap(struct regulator_dev *rdev)
EXPORT_SYMBOL_GPL(regulator_set_soft_start_regmap);
/**
+ * regulator_set_pull_down_regmap - Default set_pull_down() using regmap
+ *
+ * @rdev: device to operate on.
+ */
+int regulator_set_pull_down_regmap(struct regulator_dev *rdev)
+{
+ unsigned int val;
+
+ val = rdev->desc->pull_down_val_on;
+ if (!val)
+ val = rdev->desc->pull_down_mask;
+
+ return regmap_update_bits(rdev->regmap, rdev->desc->pull_down_reg,
+ rdev->desc->pull_down_mask, val);
+}
+EXPORT_SYMBOL_GPL(regulator_set_pull_down_regmap);
+
+/**
* regulator_get_bypass_regmap - Default get_bypass() using regmap
*
* @rdev: device to operate on.