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rtc: hym8563: align the alarm time settings

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Signed-off-by: Wu Liangqing <wlq@rock-chips.com>
Change-Id: I59bacd5ef31f67af52313106382ca33734046c72
This commit is contained in:
Wu Liangqing
2022-03-05 15:13:54 +08:00
committed by Tao Huang
parent 23fa752f6a
commit bd7d5a7115
1 changed files with 30 additions and 3 deletions
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33
drivers/rtc/rtc-hym8563.c
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@@ -226,12 +226,39 @@ static int hym8563_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
if (alm_tm->tm_hour >= 24) {
alm_tm->tm_hour = 0;
alm_tm->tm_mday++;
if (alm_tm->tm_mday > 31)
alm_tm->tm_mday = 0;
alm_tm->tm_wday++;
if (alm_tm->tm_wday > 6)
alm_tm->tm_wday = 0;
switch (alm_tm->tm_mon + 1) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
if (alm_tm->tm_mday > 31)
alm_tm->tm_mday = 1;
break;
case 4:
case 6:
case 9:
case 11:
if (alm_tm->tm_mday > 30)
alm_tm->tm_mday = 1;
break;
case 2:
if (alm_tm->tm_year / 4 == 0) {
if (alm_tm->tm_mday > 29)
alm_tm->tm_mday = 1;
} else if (alm_tm->tm_mday > 28) {
alm_tm->tm_mday = 1;
}
break;
}
}
}
}
ret = i2c_smbus_read_byte_data(client, HYM8563_CTL2);
if (ret < 0)
return ret;