Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
rtc: add new RTC_FEATURE_ALARM_WAKEUP_ONLY feature
Some RTCs have an IRQ pin that is not connected to a CPU interrupt but
rather directly to a PMIC or power supply. In that case, it is still useful
to be able to set alarms but we shouldn't expect interrupts.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-22-alexandre.belloni@bootlin.com
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include/uapi/linux/rtc.h
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include/uapi/linux/rtc.h
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#define RTC_FEATURE_UPDATE_INTERRUPT 4
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#define RTC_FEATURE_CORRECTION 5
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#define RTC_FEATURE_BACKUP_SWITCH_MODE 6
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#define RTC_FEATURE_CNT 7
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#define RTC_FEATURE_ALARM_WAKEUP_ONLY 7
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#define RTC_FEATURE_CNT 8
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/* parameter list */
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#define RTC_PARAM_FEATURES 0