something found about suspend on A5
andy at openmoko.com
Fri Feb 15 11:15:35 CET 2008
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Somebody in the thread at some point said:
> Hi all,
> I tried the latest kernel patches with my dirty hack on A4. The process
> of suspend/resume is fine. But I tried the same code base on A5, then it
> could not get into suspend anymore. The system would wak up immediately.
> After some investigation, I found the singal of EINT4 (jack insert) is
> floating which result in the system would be waked up immediately. Allen
> would help me to fix this with suitable resistor.
I am auditing the schematics again at the moment and I look at
JACK_INSERT ... I saw that R4406 (100K) pulls it up to DVCC_CODEC which
is always-on IO_3V3 via a choke.
What exactly was this problem you described that JACK_INSERT is floating?
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