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| author |   Richard Leitner <richard.leitner@skidata.com> | 2019-05-23 13:54:49 +0200 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-05-23 17:48:00 +0200 |
| commit | c0e12848be091e8410fb427f080f2e0149123443 (patch) | |
| tree | 7159dde8627941b819fcb9c64c6aaf50ef53ad53 /drivers/rtc | |
| parent | rtc: s35390a: clarify INT2 pin output modes (diff) | |
| download | linux-dev-c0e12848be091e8410fb427f080f2e0149123443.tar.xz linux-dev-c0e12848be091e8410fb427f080f2e0149123443.zip | |
rtc: s35390a: set uie_unsupported
Alarms are only supported on a per minute basis. This is why
uie_unsupported is set. Furthermore issue a warning when a second based
alarm is requested.
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-s35390a.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c index fb795c454077..4ca37f281ed9 100644 --- a/drivers/rtc/rtc-s35390a.c +++ b/drivers/rtc/rtc-s35390a.c @@ -289,6 +289,9 @@ static int s35390a_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) alm->time.tm_min, alm->time.tm_hour, alm->time.tm_mday, alm->time.tm_mon, alm->time.tm_year, alm->time.tm_wday); + if (alm->time.tm_sec != 0) + dev_warn(&client->dev, "Alarms are only supported on a per minute basis!\n"); + /* disable interrupt (which deasserts the irq line) */ err = s35390a_set_reg(s35390a, S35390A_CMD_STATUS2, &sts, sizeof(sts)); if (err < 0) @@ -500,6 +503,9 @@ static int s35390a_probe(struct i2c_client *client, goto exit_dummy; } + /* supports per-minute alarms only, therefore set uie_unsupported */ + s35390a->rtc->uie_unsupported = 1; + if (status1 & S35390A_FLAG_INT2) rtc_update_irq(s35390a->rtc, 1, RTC_AF); |