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-rw-r--r--drivers/regulator/core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 763048d6f1ed..0ce3fe1774fe 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3456,7 +3456,9 @@ EXPORT_SYMBOL_GPL(regulator_get_linear_step);
* @min_uV: Minimum required voltage in uV.
* @max_uV: Maximum required voltage in uV.
*
- * Returns a boolean.
+ * Return: 1 if the voltage range is supported, 0 if not, or a negative error
+ * number if @regulator's voltage can't be changed and voltage readback
+ * failed.
*/
int regulator_is_supported_voltage(struct regulator *regulator,
int min_uV, int max_uV)