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RTC RV3028 clock output disabled by enabling alarm/update callback #77126

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jakubtopic opened this issue Aug 15, 2024 · 0 comments · Fixed by #77128
Closed

RTC RV3028 clock output disabled by enabling alarm/update callback #77126

jakubtopic opened this issue Aug 15, 2024 · 0 comments · Fixed by #77128
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area: Drivers area: RTC Real Time Clock bug The issue is a bug, or the PR is fixing a bug priority: low Low impact/importance bug

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Describe the bug
A bug was discovered by @jeffwelder-ellenbytech related to the rv3028 driver. When enabling the alarm or update callbacks with interrupts enabled, the driver unexpectedly disables the RTC's programmable clock output during runtime.

Expected behavior
Setting the alarm/update callback should not affect the configuration of the clock output.

Impact
This bug prevents utilizing the rv3028's built-in oscillator alongside with RTC alarm/update interrupts.
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area: Drivers area: RTC Real Time Clock bug The issue is a bug, or the PR is fixing a bug priority: low Low impact/importance bug
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drivers: rtc: rv3028: preserve CLKOUT when enabling callbacks anitra-wildlife-tracking/zephyr
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@jakubtopic