regulator: core: Fix getting input_uV when supplied by another regulator

When supplied by another regulator, returns the supply regulator's output
voltage for inpu_uV.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d4d34cbd34d9..713981b52f2a 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -649,7 +649,7 @@ static void drms_uA_update(struct regulator_dev *rdev)
         /* get input voltage */
         input_uV = 0;
         if (rdev->supply)
-                input_uV = _regulator_get_voltage(rdev);
+                input_uV = regulator_get_voltage(rdev->supply);
         if (input_uV <= 0)
                 input_uV = rdev->constraints->input_uV;
         if (input_uV <= 0)