[pulseaudio-discuss] bluetooth: problem with old headset

[David Henningsson]

On 2015-02-21 23:14, Georg Chini wrote:
> Hello,
>
> I have an issue with the native backend (or rather with bluetooth) and
> my old
> Plantronics 590 headset. With my new headset (a Plantronics Backbeat Pro)
> everything works fine, so I think the basic setup is correct.
>
> With the Plantronics 590, the connect() call in bluez5_sco_acquire_cb
> returns
> "Protocol not supported". The headset itself is functional, I tested
> with my mobile.
>
> I do not even get it working with Bluez4, same error. Any idea what
> could be
> wrong? Some kernel option I am missing?

I've heard of this, but never seen it myself. I suspect it's a kernel 
regression, but I'm not sure. Does it work with older kernels? Like, 
one, two, three years old kernels or such?

-- 
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic