diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rtc/rtc-pcf8563.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index 1e14f609db34..96fb32e7d6f8 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -396,6 +396,7 @@ static int pcf8563_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *tm) static int pcf8563_irq_enable(struct device *dev, unsigned int enabled) { + dev_dbg(dev, "%s: en=%d\n", __func__, enabled); return pcf8563_set_alarm_mode(to_i2c_client(dev), !!enabled); } @@ -414,6 +415,7 @@ static int pcf8563_probe(struct i2c_client *client, struct pcf8563 *pcf8563; int err; unsigned char buf; + unsigned char alm_pending; dev_dbg(&client->dev, "%s\n", __func__); @@ -439,6 +441,14 @@ static int pcf8563_probe(struct i2c_client *client, return err; } + err = pcf8563_get_alarm_mode(client, NULL, &alm_pending); + if (err < 0) { + dev_err(&client->dev, "%s: read error\n", __func__); + return err; + } + if (alm_pending) + pcf8563_set_alarm_mode(client, 0); + pcf8563->rtc = devm_rtc_device_register(&client->dev, pcf8563_driver.driver.name, &pcf8563_rtc_ops, THIS_MODULE); |