Hi Andy:
Hi Allen -
Well if we power down the amp as we should in suspend, we won't be able
to wake from HOLD, that is the fact. So we should remove the wake from
the HOLD EINT[]. I agree it is kind of not so useful anyway to wake on
that button since you need to hold the main unit to do something now it
is woken up.
But the larger issue is that maybe we have difficulty seeing a '1' even
with micbias powered, due to the load from the Mic. That means maybe we
can't even use HOLD as a logical switch with micbias powered, or it is
marginal to detect the '1'.
When plugging the earphone, the HOLD voltage is still 3.2V.
Therefore, I think is OK
Best Wishes
Allen Chang
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