regulator: Fix the logic to ensure new voltage setting in valid range

I think this is a typo.
To ensure new voltage setting won't greater than desc->max,
the equation should be desc->min + desc->step * new_val <= desc->max.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 96579296f04d..17a58c56eebf 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -684,7 +684,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
                 }
 
                 new_val++;
-        } while (desc->min + desc->step + new_val <= desc->max);
+        } while (desc->min + desc->step * new_val <= desc->max);
 
         new_idx = tmp_idx;
         new_val = tmp_val;