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drivers/rtc/rtc-max6902.c: use register defines instead of magic numbers

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Current code has defines for registers, use the defines rather than
magic numbers.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Raphael Assenat <raph@raphnet.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Axel Lin 2013-04-29 16:20:57 -07:00 committed by Linus Torvalds
parent 431c6c1df3
commit 08348d2f10
1 changed files with 10 additions and 10 deletions
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20
drivers/rtc/rtc-max6902.c
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@ -93,24 +93,24 @@ static int max6902_set_time(struct device *dev, struct rtc_time *dt)
dt->tm_year = dt->tm_year + 1900;
/* Remove write protection */
max6902_set_reg(dev, 0xF, 0);
max6902_set_reg(dev, MAX6902_REG_CONTROL, 0);
max6902_set_reg(dev, 0x01, bin2bcd(dt->tm_sec));
max6902_set_reg(dev, 0x03, bin2bcd(dt->tm_min));
max6902_set_reg(dev, 0x05, bin2bcd(dt->tm_hour));
max6902_set_reg(dev, MAX6902_REG_SECONDS, bin2bcd(dt->tm_sec));
max6902_set_reg(dev, MAX6902_REG_MINUTES, bin2bcd(dt->tm_min));
max6902_set_reg(dev, MAX6902_REG_HOURS, bin2bcd(dt->tm_hour));
max6902_set_reg(dev, 0x07, bin2bcd(dt->tm_mday));
max6902_set_reg(dev, 0x09, bin2bcd(dt->tm_mon + 1));
max6902_set_reg(dev, 0x0B, bin2bcd(dt->tm_wday));
max6902_set_reg(dev, 0x0D, bin2bcd(dt->tm_year % 100));
max6902_set_reg(dev, 0x13, bin2bcd(dt->tm_year / 100));
max6902_set_reg(dev, MAX6902_REG_DATE, bin2bcd(dt->tm_mday));
max6902_set_reg(dev, MAX6902_REG_MONTH, bin2bcd(dt->tm_mon + 1));
max6902_set_reg(dev, MAX6902_REG_DAY, bin2bcd(dt->tm_wday));
max6902_set_reg(dev, MAX6902_REG_YEAR, bin2bcd(dt->tm_year % 100));
max6902_set_reg(dev, MAX6902_REG_CENTURY, bin2bcd(dt->tm_year / 100));
/* Compulab used a delay here. However, the datasheet
* does not mention a delay being required anywhere... */
/* delay(2000); */
/* Write protect */
max6902_set_reg(dev, 0xF, 0x80);
max6902_set_reg(dev, MAX6902_REG_CONTROL, 0x80);
return 0;
}