diff options
Diffstat (limited to 'drivers/rtc/m41t62.c')
| -rw-r--r-- | drivers/rtc/m41t62.c | 8 |
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) |