Index: head/sys/dev/iicbus/ds3231reg.h
===================================================================
--- head/sys/dev/iicbus/ds3231reg.h	(revision 363329)
+++ head/sys/dev/iicbus/ds3231reg.h	(revision 363330)
@@ -1,81 +1,81 @@
 /*-
  * Copyright (c) 2014-2015 Luiz Otavio O Souza <loos@FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 /*
  * Maxim DS3231 RTC registers.
  */
 
 #ifndef _DS3231REG_H_
 #define _DS3231REG_H_
 
 #define	DS3231_SECS		0x00
 #define	DS3231_SECS_MASK		0x7f
 #define	DS3231_MINS		0x01
 #define	DS3231_MINS_MASK		0x7f
 #define	DS3231_HOUR		0x02
-#define	DS3231_HOUR_MASK_12HR		0x3f
-#define	DS3231_HOUR_MASK_24HR		0x1f
+#define	DS3231_HOUR_MASK_12HR		0x1f
+#define	DS3231_HOUR_MASK_24HR		0x3f
 #define	DS3231_HOUR_IS_PM		0x20
 #define	DS3231_HOUR_USE_AMPM		0x40
 #define	DS3231_WEEKDAY		0x03
 #define	DS3231_WEEKDAY_MASK		0x07
 #define	DS3231_DATE		0x04
 #define	DS3231_DATE_MASK		0x3f
 #define	DS3231_MONTH		0x05
 #define	DS3231_MONTH_MASK		0x1f
 #define	DS3231_C_MASK			0x80
 #define	DS3231_YEAR		0x06
 #define	DS3231_YEAR_MASK		0xff
 #define	DS3231_CONTROL		0x0e
 #define	DS3231_CTRL_EOSC		(1 << 7)
 #define	DS3231_CTRL_BBSQW		(1 << 6)
 #define	DS3231_CTRL_CONV		(1 << 5)
 #define	DS3231_CTRL_RS2			(1 << 4)
 #define	DS3231_CTRL_RS1			(1 << 3)
 #define	DS3231_CTRL_RS_MASK		(DS3231_CTRL_RS2 | DS3231_CTRL_RS1)
 #define	DS3231_CTRL_RS_SHIFT		3
 #define	DS3231_CTRL_INTCN		(1 << 2)
 #define	DS3231_CTRL_A2IE		(1 << 1)
 #define	DS3231_CTRL_A1IE		(1 << 0)
 #define	DS3231_CTRL_MASK		\
 	(DS3231_CTRL_EOSC | DS3231_CTRL_A1IE | DS3231_CTRL_A2IE)
 #define	DS3231_STATUS		0x0f
 #define	DS3231_STATUS_OSF		(1 << 7)
 #define	DS3231_STATUS_EN32KHZ		(1 << 3)
 #define	DS3231_STATUS_BUSY		(1 << 2)
 #define	DS3231_STATUS_A2F		(1 << 1)
 #define	DS3231_STATUS_A1F		(1 << 0)
 #define	DS3231_TEMP		0x11
 #define	DS3231_TEMP_MASK		0xffc0
 #define	DS3231_0500C			0x80
 #define	DS3231_0250C			0x40
 #define	DS3231_MSB			0x8000
 #define	DS3231_NEG_BIT			DS3231_MSB
 #define	TZ_ZEROC			2731
 
 #endif	/* _DS3231REG_H_ */