Commit bda10273 authored by Alexandre Belloni's avatar Alexandre Belloni
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rtc: pcf2127: set RTC_FEATURE_ALARM_RES_2S 



The PCF2127 doesn't support UIE because setting an alarm to fire every
second confuses the chip and the fastest we can go is an alarm every 2
seconds.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-11-alexandre.belloni@bootlin.com
parent 689fafd5

drivers/rtc/rtc-pcf2127.c

+1 −0
Original line number Diff line number Diff line
@@ -656,6 +656,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap, 
	pcf2127->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;

	pcf2127->rtc->range_max = RTC_TIMESTAMP_END_2099;

	pcf2127->rtc->set_start_time = true; /* Sets actual start to 1970 */

	set_bit(RTC_FEATURE_ALARM_RES_2S, pcf2127->rtc->features);

	clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, pcf2127->rtc->features);

	clear_bit(RTC_FEATURE_ALARM, pcf2127->rtc->features);