Re: [Bluez-devel] Unable to set number of SCO buffers : please upgrade your Kernel !

[Klaus <projectu@gmail.com>]

Marc Haber <mh+bluez-devel <at> zugschlus.de> writes:
[...]
> I still have the same problem. Only that
> the "Unable to set number of SCO buffers" error message now has
> pcm_sco.c:277 as line number.

I have the same problem on 2.6.21 with the patch applied.

I looked a little into the problem and it appears that everything is actually
working as it is intended - but that doesn't help us much.

In plugz/../pcm_sco.c: sco_headset_hw_params(), 
   setsockopt(...,SOL_SCO,...) is called, but it fails with ENOPROTOOPT
"Protocol not available".

   setsockopt() for protocol level SOL_SCO is implemented in the kernel in
net/bluetooth/sco.c: sco_sock_setsockopt(), but this function only does one
thing - it returns ENOPROTOOPT:

...
        switch (optname) {
        default:
                err = -ENOPROTOOPT;
                break;
        }
...

I am a bit curious - how can this work for anybody?

BR, Klaus






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