[FSO] Any luck with bluetooth headsets?

Andy Green andy at openmoko.com
Sun Feb 22 09:54:58 CET 2009

Hash: SHA1

Somebody in the thread at some point said:
| On Sat, 21 Feb 2009 19:47:37 -0800 (PST)
| c_c <cchandel at yahoo.com> wrote:
|>> I've tried both a Nokia BH-604 and a SonyEricsson HBH-PV700, both
|>> work for outgoing audio but not incoming.
|>   There's been some discussion about the voice-recording.state on the
|> ML. Seems like the DAI mode 1 has implementation problems. Maybe we
|> need to try voip-headset.state. Just a thought - haven't gotten
|> around to doing that yet.
| Tried that, but that one with BH-604 is simply quiet in both ends.
| I also saw the DAI discussion, but I don't understand the issue well
| enough to know what to do. It feels like we are very close but not
| quite there yet.

As I understand it, the problem with CPU digital audio on BT is that
there is no routing path in the WM8753 hardware between the two digital
audio interfaces (CPU and BT).  As in literally it's not there in the chip.

Maybe there's some way to meddle it through the ADC and DAC but other
than that it doesn't work IIUI.

- -Andy
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