On Tue, 18 Jun 2024 16:26:29 +0100, Biju Das wrote:
> As per the latest HW manual[1], the INT# output is pulled low after the
> alarm is triggered. After the INT# output is pulled low, it is low for at
> least 250ms, even if the correct action is taken to clear it. It is
> impossible to clear ALM if it is still active. The host must wait for the
> RTC to progress past the alarm time plus the 250ms delay before clearing
> ALM. Apart from this, there is an internal delay(~250 microsec) from
> setting ALME = 0 to disabling the alarm function, so the user must add a
> short delay of greater than 250µs between setting ALME = 0 and clearing
> ALM.
>
> [...]
Applied, thanks!
[1/2] rtc: isl1208: Add a delay for clearing alarm
https://git.kernel.org/abelloni/c/0dbd610c426e
[2/2] rtc: isl1208: Update correct procedure for clearing alarm
https://git.kernel.org/abelloni/c/43696b3a9e46
Best regards,
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
