diff options
Diffstat (limited to 'drivers/rtc/alarm.c')
| -rw-r--r-- | drivers/rtc/alarm.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/rtc/alarm.c b/drivers/rtc/alarm.c index 94ff21d..5b82b52 100644 --- a/drivers/rtc/alarm.c +++ b/drivers/rtc/alarm.c @@ -347,6 +347,59 @@ int alarm_set_alarm_boot(char *alarm_data) } #endif +#if defined(CONFIG_RTC_POWER_OFF) +#define PWROFFALM_BIT_EN 0 +#define PWROFFALM_BIT_YEAR 1 +#define PWROFFALM_BIT_MONTH 5 +#define PWROFFALM_BIT_DAY 7 +#define PWROFFALM_BIT_HOUR 9 +#define PWROFFALM_BIT_MIN 11 +#define PWROFFALM_BIT_TOTAL 13 + +int alarm_set_alarm_poweroff(char *alarm_data) +{ + struct rtc_wkalrm alm; + int ret; + char buf_ptr[PWROFFALM_BIT_TOTAL + 1]; + + if (!alarm_rtc_dev) { + pr_alarm(ERROR, "alarm_set_alarm_poweroff: " + "no RTC, time will be lost on reboot\n"); + return -1; + } + + strlcpy(buf_ptr, alarm_data, PWROFFALM_BIT_TOTAL + 1); + + alm.time.tm_sec = 0; + + alm.time.tm_min = (buf_ptr[PWROFFALM_BIT_MIN] - '0') * 10 + + (buf_ptr[PWROFFALM_BIT_MIN + 1] - '0'); + alm.time.tm_hour = (buf_ptr[PWROFFALM_BIT_HOUR] - '0') * 10 + + (buf_ptr[PWROFFALM_BIT_HOUR + 1] - '0'); + alm.time.tm_mday = (buf_ptr[PWROFFALM_BIT_DAY] - '0') * 10 + + (buf_ptr[PWROFFALM_BIT_DAY + 1] - '0'); + alm.time.tm_mon = (buf_ptr[PWROFFALM_BIT_MONTH] - '0') * 10 + + (buf_ptr[PWROFFALM_BIT_MONTH + 1] - '0'); + alm.time.tm_year = (buf_ptr[PWROFFALM_BIT_YEAR] - '0') * 1000 + + (buf_ptr[PWROFFALM_BIT_YEAR + 1] - '0') * 100 + + (buf_ptr[PWROFFALM_BIT_YEAR + 2] - '0') * 10 + + (buf_ptr[PWROFFALM_BIT_YEAR + 3] - '0'); + alm.enabled = (*buf_ptr == '1'); + + alm.time.tm_mon -= 1; + alm.time.tm_year -= 1900; + + printk(KERN_INFO "%s: %d/%d/%d %d:%d:%d(%d)\n", __func__, + 1900 + alm.time.tm_year, 1 + alm.time.tm_mon, + alm.time.tm_mday, alm.time.tm_hour, alm.time.tm_min, + alm.time.tm_sec, alm.time.tm_wday); + + ret = rtc_set_alarm_poweroff(alarm_rtc_dev, &alm); + + return ret; +} +#endif + /** * alarm_get_elapsed_realtime - get the elapsed real time in ktime_t format * |