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path: root/drivers/rtc/m41t62.c
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Diffstat (limited to 'drivers/rtc/m41t62.c')
-rw-r--r--drivers/rtc/m41t62.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/rtc/m41t62.c b/drivers/rtc/m41t62.c
index 89d4ccd..9b7c84a 100644
--- a/drivers/rtc/m41t62.c
+++ b/drivers/rtc/m41t62.c
@@ -96,7 +96,7 @@ int rtc_get(struct rtc_time *tm)
return 0;
}
-void rtc_set(struct rtc_time *tm)
+int rtc_set(struct rtc_time *tm)
{
u8 buf[M41T62_DATETIME_REG_SIZE];
@@ -123,8 +123,12 @@ void rtc_set(struct rtc_time *tm)
/* assume 20YY not 19YY */
buf[M41T62_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
- if (i2c_write(CFG_I2C_RTC_ADDR, 0, 1, buf, M41T62_DATETIME_REG_SIZE))
+ if (i2c_write(CFG_I2C_RTC_ADDR, 0, 1, buf, M41T62_DATETIME_REG_SIZE)) {
printf("I2C write failed in %s()\n", __func__);
+ return -1;
+ }
+
+ return 0;
}
void rtc_reset(void)