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path: root/drivers/rtc/rx8025.c
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Diffstat (limited to 'drivers/rtc/rx8025.c')
-rw-r--r--drivers/rtc/rx8025.c17
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;
}
/*