Great. So we can easily invert the sense of that bit and go with Mitch's ECR. Problem solved. I'll summarize this discussion for Quanta and track the hardware change. Who will ensure that this change gets made in the module options for the B3 build ?

Thanks to all involved in the discussion,
wad

On Mar 16, 2007, at 8:41 PM, Jaya Kumar wrote:

On 3/16/07, Mitch Bradley <[EMAIL PROTECTED]> wrote:
The AC97 driver apparently already has a flag to invert the sense of the
EAPD pin.

See sound/pci/ac97/ac97_codec.c .   "set_inv_eapd()",
AC97_SCAP_INV_EAPD, etc.
>

The following ac97_quirk set in /etc/modprobe.d/olpc.conf.dist or the
appropriate modprobe config should do the trick.

options snd-cs5535audio ac97_quirk=inv_eapd

If that works fine, then ok for now. Longer term, I'll put that quirk
into cs5535audio's olpc_quirks().

Thanks,
jaya
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