2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 5c4829cba6a6..f7c74db7465c 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;
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 7932a3bf21bd..f2b72b230b9b 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -181,6 +181,8 @@ enum regulator_type {
  * @type: Indicates if the regulator is a voltage or current regulator.
  * @owner: Module providing the regulator, used for refcounting.
  *
+ * @continuous_voltage_range: Indicates if the regulator can set any
+ *                            voltage within constrains range.
  * @n_voltages: Number of selectors available for ops.list_voltage().
  *
  * @min_uV: Voltage given by the lowest selector (if linear mapping)
@@ -199,6 +201,7 @@ struct regulator_desc {
         const char *name;
         const char *supply_name;
         int id;
+        bool continuous_voltage_range;
         unsigned n_voltages;
         struct regulator_ops *ops;
         int irq;