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path: root/drivers/rtc/rtc-ds1307.c
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Diffstat (limited to 'drivers/rtc/rtc-ds1307.c')
-rw-r--r--drivers/rtc/rtc-ds1307.c13
1 files changed, 8 insertions, 5 deletions
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;
}