diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 220a8b15d15f..3d0f491d0e88 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -988,8 +988,8 @@ ds1685_rtc_sysfs_battery_show(struct device *dev,
 
 	ctrld = rtc->read(rtc, RTC_CTRL_D);
 
-	return sprintf(buf, "%s\n",
-			(ctrld & RTC_CTRL_D_VRT) ? "ok" : "not ok or N/A");
+	return sysfs_emit(buf, "%s\n",
+			  (ctrld & RTC_CTRL_D_VRT) ? "ok" : "not ok or N/A");
 }
 static DEVICE_ATTR(battery, S_IRUGO, ds1685_rtc_sysfs_battery_show, NULL);
 
@@ -1010,8 +1010,8 @@ ds1685_rtc_sysfs_auxbatt_show(struct device *dev,
 	ctrl4a = rtc->read(rtc, RTC_EXT_CTRL_4A);
 	ds1685_rtc_switch_to_bank0(rtc);
 
-	return sprintf(buf, "%s\n",
-			(ctrl4a & RTC_CTRL_4A_VRT2) ? "ok" : "not ok or N/A");
+	return sysfs_emit(buf, "%s\n",
+			  (ctrl4a & RTC_CTRL_4A_VRT2) ? "ok" : "not ok or N/A");
 }
 static DEVICE_ATTR(auxbatt, S_IRUGO, ds1685_rtc_sysfs_auxbatt_show, NULL);
 
@@ -1032,7 +1032,7 @@ ds1685_rtc_sysfs_serial_show(struct device *dev,
 	ds1685_rtc_get_ssn(rtc, ssn);
 	ds1685_rtc_switch_to_bank0(rtc);
 
-	return sprintf(buf, "%8phC\n", ssn);
+	return sysfs_emit(buf, "%8phC\n", ssn);
 }
 static DEVICE_ATTR(serial, S_IRUGO, ds1685_rtc_sysfs_serial_show, NULL);