regulator: core: Properly handle the case min_uV < rdev->desc->min_uV…

… in map_voltage_linear Properly handle the case if the specified min_uV is less than the voltage given by the lowest selector. Signed-off-by: Axel Lin <[email protected]> Signed-off-by: Mark Brown <[email protected]>
cbmeeks · Jun 7, 2012 · 0bdc81e · 0bdc81e
1 parent 6166317
commit 0bdc81e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
@@ -2050,6 +2050,9 @@ int regulator_map_voltage_linear(struct regulator_dev *rdev,
 		return -EINVAL;
 	}
 
+	if (min_uV < rdev->desc->min_uV)
+		min_uV = rdev->desc->min_uV;
+
 	ret = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
 	if (ret < 0)
 		return ret;