diff options
Diffstat (limited to 'drivers/rtc/pcf8563.c')
| -rw-r--r-- | drivers/rtc/pcf8563.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/rtc/pcf8563.c b/drivers/rtc/pcf8563.c index 2d73d5d..c384975 100644 --- a/drivers/rtc/pcf8563.c +++ b/drivers/rtc/pcf8563.c @@ -41,8 +41,9 @@ static unsigned bcd2bin(uchar c); /* ------------------------------------------------------------------------- */ -void rtc_get (struct rtc_time *tmp) +int rtc_get (struct rtc_time *tmp) { + int rel = 0; uchar sec, min, hour, mday, wday, mon_cent, year; sec = rtc_read (0x02); @@ -65,6 +66,7 @@ void rtc_get (struct rtc_time *tmp) if (sec & 0x80) { puts ("### Warning: RTC Low Voltage - date/time not reliable\n"); + rel = -1; } tmp->tm_sec = bcd2bin (sec & 0x7F); @@ -80,6 +82,8 @@ void rtc_get (struct rtc_time *tmp) debug ( "Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, tmp->tm_hour, tmp->tm_min, tmp->tm_sec); + + return rel; } void rtc_set (struct rtc_time *tmp) |