regulator: If a single voltage is set with device tree then set apply_uV
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>
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 @@
/* 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)
