diff options
Diffstat (limited to 'drivers/rtc/rx8025.c')
| -rw-r--r-- | drivers/rtc/rx8025.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/rtc/rx8025.c b/drivers/rtc/rx8025.c index 9122f12..64eafe5 100644 --- a/drivers/rtc/rx8025.c +++ b/drivers/rtc/rx8025.c @@ -96,8 +96,9 @@ static unsigned bcd2bin (uchar c); /* * Get the current time from the RTC */ -void rtc_get (struct rtc_time *tmp) +int rtc_get (struct rtc_time *tmp) { + int rel = 0; uchar sec, min, hour, mday, wday, mon, year, ctl2; uchar buf[16]; @@ -118,14 +119,20 @@ void rtc_get (struct rtc_time *tmp) /* dump status */ ctl2 = rtc_read(RTC_CTL2_REG_ADDR); - if (ctl2 & RTC_CTL2_BIT_PON) + if (ctl2 & RTC_CTL2_BIT_PON) { printf("RTC: power-on detected\n"); + rel = -1; + } - if (ctl2 & RTC_CTL2_BIT_VDET) + if (ctl2 & RTC_CTL2_BIT_VDET) { printf("RTC: voltage drop detected\n"); + rel = -1; + } - if (!(ctl2 & RTC_CTL2_BIT_XST)) + if (!(ctl2 & RTC_CTL2_BIT_XST)) { printf("RTC: oscillator stop detected\n"); + rel = -1; + } tmp->tm_sec = bcd2bin (sec & 0x7F); tmp->tm_min = bcd2bin (min & 0x7F); @@ -140,6 +147,8 @@ void rtc_get (struct rtc_time *tmp) DEBUGR ("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; } /* |