[Bug 203745] A2DP Support for Bluetooth Headphone Audio

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203745

--- Comment #30 from Adrian Chadd <adrian at freebsd.org> ---
I hacked on the negotiation bits after reading the spec.

The spec mandates SBC, but the initial config fetch doesn't return SBC. It's
returning some non-mandatory codec. I'm not sure if we have to ask it another
way or not.

I overrode some things, and it fails the set_configuration call, but the
headset makes the "i'm ready!" noise. So something's happening.

backend_bt: media: 0x4
backend_bt: No frequency and mode match (avail=0x00 freqmode=0x12, freq=3,
chmode=2
backend_bt: sending config: freq=12, blk=15, supmin=23, supmax=23
backend_bt: OPEN FAILED
backend_bt: info: len=19
backend_bt: i=2: 0x1 0x0 0x7 0x9 0x0 0xff
backend_bt: media: 0x1
backend_bt: i=4: 0x7 0x9 0x0 0xff 0x4f 0x0
backend_bt: media: 0x7
backend_bt: codec : 0xff
backend_bt: i=15: 0x4 0x2 0x2 0x0 0x0 0x0
backend_bt: media: 0x4
backend_bt: No frequency and mode match (avail=0x00 freqmode=0x12, freq=3,
chmode=2
backend_bt: sending config: freq=12, blk=15, supmin=23, supmax=23
backend_bt: OPEN FAILED
^C

I'll read the error values back from the call soon and see what's going on.

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