diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-12-05 10:58:41 +0000 |
|---|---|---|
| committer | Eric Miao <eric.miao@linaro.org> | 2012-01-11 21:45:38 +0800 |
| commit | a12d38906071ebde2628de5623ff99ee18db3895 (patch) | |
| tree | ccfc50581c1fb7dc947b4ab571ab1ff25867eee9 | |
| parent | 4422fec5eb42822fe06a83b2ff8a41d5c23498d2 (diff) | |
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>
| -rw-r--r-- | 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 acd7045d160..b7b3fc3b09e 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) |