diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index eed5c06bf624..f027a95a943f 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -542,12 +542,8 @@ static int ds1337_set_alarm(struct device *dev, struct rtc_wkalrm *t) buf[5] = 0; buf[6] = 0; - /* optionally enable ALARM1 */ + /* disable alarms */ buf[7] = control & ~(DS1337_BIT_A1IE | DS1337_BIT_A2IE); - if (t->enabled) { - dev_dbg(dev, "alarm IRQ armed\n"); - buf[7] |= DS1337_BIT_A1IE; /* only ALARM1 is used */ - } buf[8] = status & ~(DS1337_BIT_A1I | DS1337_BIT_A2I); ret = ds1307->write_block_data(client, @@ -557,6 +553,13 @@ static int ds1337_set_alarm(struct device *dev, struct rtc_wkalrm *t) return ret; } + /* optionally enable ALARM1 */ + if (t->enabled) { + dev_dbg(dev, "alarm IRQ armed\n"); + buf[7] |= DS1337_BIT_A1IE; /* only ALARM1 is used */ + i2c_smbus_write_byte_data(client, DS1337_REG_CONTROL, buf[7]); + } + return 0; }