[pulseaudio-discuss] bluetooth: problem with old headset

David Henningsson david.henningsson at canonical.com
Mon Feb 23 00:06:58 PST 2015

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.

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