[PATCH] motion-sensors-irq-spi.patch

Harald Welte laforge at openmoko.org
Sun Feb 3 11:11:53 CET 2008


On Mon, Jan 28, 2008 at 02:37:00PM +0000, Andy Green wrote:
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> Somebody in the thread at some point said:
> > Somebody in the thread at some point said:
> >> OK, so do we believe this list is complete?
> >> Wakup from deep sleep CPU state can be:
> > 
> >> 1. wifi
> >> 2. GSM
> >> 3. usb
> >> 4. buttons (both AUX and power)
> >> 5. motion sensor
> 
> 6. Jack insert
> 7. RTC Alarm  <====
> 
> p 7-15 of the Samsung datsheet is pretty clear:
> 
> ''The wakeup from SLEEP mode can be issued by the EINT[15:0] or by
> RTC alarm interrupt.''

but we're not using the RTC of the s3c2442, at least the last time I was
involved.  We're using the PMU built-in RTC.  Any PMU events can wake up
the CPU, this includes RTC, charging related usb connector
insertion/removal, ...
-- 
- Harald Welte <laforge at openmoko.org>          	        http://openmoko.org/
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