-#define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time) /* Read RTC time. */
-#define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time) /* Set RTC time. */
-#define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int)
-#define RTC_VLOW_RD _IOR(RTC_MAGIC, 0x11, int) /* Voltage Low detector */
-#define RTC_VLOW_SET _IO(RTC_MAGIC, 0x12) /* Clear voltage low information */
-#define RTC_MAX_IOCTL 0x12
+/* Read RTC time. */
+#define RTC_RD_TIME _IOR(RTC_MAGIC, 0x09, struct rtc_time)
+/* Set RTC time. */
+#define RTC_SET_TIME _IOW(RTC_MAGIC, 0x0a, struct rtc_time)
+#define RTC_SET_CHARGE _IOW(RTC_MAGIC, 0x0b, int)
+/* Voltage low detector */
+#define RTC_VL_READ _IOR(RTC_MAGIC, 0x13, int)
+/* Clear voltage low information */
+#define RTC_VL_CLR _IO(RTC_MAGIC, 0x14)
+#define RTC_MAX_IOCTL 0x14