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| author | Pawel Moll <pawel.moll@arm.com> | 2012-09-24 18:56:53 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-10-15 11:56:08 +0900 |
| commit | bd7a2b600ace90c8819495b639a744c8f5c68feb (patch) | |
| tree | d4853e6a5bd7e3bbdf54808c37358870bfd33336 /drivers/regulator/core.c | |
| parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) | |
| download | op-kernel-dev-bd7a2b600ace90c8819495b639a744c8f5c68feb.zip op-kernel-dev-bd7a2b600ace90c8819495b639a744c8f5c68feb.tar.gz | |
regulator: core: Support for continuous voltage range
Some regulators can set any voltage within the constraints range,
not being limited to specified operating points.
This patch makes it possible to describe such regulator and makes
the regulator_is_supported_voltage() function behave correctly.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5c4829c..f7c74db 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1979,6 +1979,11 @@ int regulator_is_supported_voltage(struct regulator *regulator, return ret; } + /* Any voltage within constrains range is fine? */ + if (rdev->desc->continuous_voltage_range) + return min_uV >= rdev->constraints->min_uV && + max_uV <= rdev->constraints->max_uV; + ret = regulator_count_voltages(regulator); if (ret < 0) return ret; |
