On 23.02.2015 09:06, David Henningsson wrote: > > > 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? > I had the chance to test this over the weekend. Works with kernel 3.10. This was the oldest kernel I still had on my machine, so I'll do some more investigations to see where exactly it breaks.
