AcoSail/kernel_optimize_test
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regulator: If a single voltage is set with device tree then set apply_uV

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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>
This commit is contained in:
Mark Brown 2011-12-05 10:58:41 +00:00
parent 068df0f34e
commit ab62aa931e
1 changed files with 3 additions and 0 deletions
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3
drivers/regulator/of_regulator.c
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@ -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)