regulator: fix voltage check in regulator_is_supported_voltage()

commit f0f98b19e23d4426ca185e3d4ca80e6aff5ef51b upstream.

regulator_is_supported_voltage() should return true only if the voltage
of fixed/constant regulator is between min_uV and max_uV.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 48385318175a83fe17208e099caa46c07a01d2f2..e6f2990a407dc67d162723637c0584489121cbcc 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1942,7 +1942,7 @@ int regulator_is_supported_voltage(struct regulator *regulator,
        if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
                ret = regulator_get_voltage(regulator);
                if (ret >= 0)
-                       return (min_uV >= ret && ret <= max_uV);
+                       return (min_uV <= ret && ret <= max_uV);
                else
                        return ret;
        }