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-rw-r--r--include/linux/regulator/driver.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 73c9cd6cda7d..31f2055eae28 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -37,7 +37,8 @@ enum regulator_status {
*
* @enable: Configure the regulator as enabled.
* @disable: Configure the regulator as disabled.
- * @is_enabled: Return 1 if the regulator is enabled, 0 otherwise.
+ * @is_enabled: Return 1 if the regulator is enabled, 0 if not.
+ * May also return negative errno.
*
* @set_voltage: Set the voltage for the regulator within the range specified.
* The driver should select the voltage closest to min_uV.