diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-pcf8563.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 78f76d99bd35..ce6a11bc0fd7 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -361,6 +361,14 @@ static int pcf8563_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *tm) struct i2c_client *client = to_i2c_client(dev); unsigned char buf[4]; int err; + unsigned long alarm_time; + + /* The alarm has no seconds, round up to nearest minute */ + if (tm->time.tm_sec) { + rtc_tm_to_time(&tm->time, &alarm_time); + alarm_time += 60-tm->time.tm_sec; + rtc_time_to_tm(alarm_time, &tm->time); + } dev_dbg(dev, "%s, min=%d hour=%d wday=%d mday=%d " "enabled=%d pending=%d\n", __func__, @@ -435,6 +443,9 @@ static int pcf8563_probe(struct i2c_client *client, } + /* the pcf8563 alarm only supports a minute accuracy */ + pcf8563->rtc->uie_unsupported = 1; + return 0; } |