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Subject[PATCH] regulator: If a single voltage is set with device tree then set apply_uV
Date
Otherwise there is no way in the bindings to configure a fixed voltage
via software. It seems reasonable to assume that if the binding explicitly
specifies a voltage we want to actually use that voltage.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/regulator/of_regulator.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index acd7045..b7b3fc3 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -34,6 +34,9 @@ static void of_get_regulation_constraints(struct device_node *np,
/* Voltage change possible? */
if (constraints->min_uV != constraints->max_uV)
constraints->valid_ops_mask |= REGULATOR_CHANGE_VOLTAGE;
+ /* Only one voltage? Then make sure it's set. */
+ if (constraints->min_uV == constraints->max_uV)
+ constraints->apply_uV = true;

uV_offset = of_get_property(np, "regulator-microvolt-offset", NULL);
if (uV_offset)
--
1.7.7.3


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