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From:   Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date:   Fri, 7 Jun 2019 18:19:37 +0300
Message-ID: <CABBYNZKXGX7r-kfdxXocv8oDh2tofWgnTe_LpxcR4WiCsen0rw@mail.gmail.com>
Subject: Re: HCI Set custom bandwidth for AuriStream SCO codec
To:     =?UTF-8?Q?Pali_Roh=C3=A1r?= <pali.rohar@gmail.com>
Cc:     Pavel Machek <pavel@ucw.cz>,
        "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        Marcel Holtmann <marcel@holtmann.org>
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Hi Pali,

On Fri, Jun 7, 2019 at 4:02 PM Pali Roh=C3=A1r <pali.rohar@gmail.com> wrote=
:
>
> On Sunday 19 May 2019 23:21:58 Pavel Machek wrote:
> > Hi!
> >
> > > > > to be honest, I would rather see WBS implementation finally
> > > > > reach PA before we start digging into this.
> > > >
> > > > First I want to finish improving A2DP codec support in pulseaudio. =
Later
> > > > I can look at HSP/HFP profiles. Ideally it should have modular/plug=
in
> > > > extensible design. So the aim is that adding new codec would be ver=
y
> > > > simple, without need to hack something related to mSBC/WBC, AuriStr=
eam
> > > > or any other codec.
> > >
> > > Well HSP don't have support for codec negotiation, but yes a modular
> > > design is probably recommended.
> > >
> > > > But for AuriStream I need to set custom SCO parameters as described
> > > > below and currently kernel does not support it. This is why I'm ask=
ing
> > > > how kernel can export for userspace configuration of SCO parameters=
...
> > >
> > > We can always come up with socket options but we got to see the value
> > > it would bring since AuriStream don't look that popular among
> > > headsets, at least Ive never seem any device advertising it like
> > > apt-X, etc.
> >
> > Pali clearly has such device and he is willing to work on it. Surely
> > that means it is popular enough to be supported...?
>
> Just put AT+CSRSF=3D0,0,0,0,0,7 to google search and you would see that
> not only I have such device...
>
> So I would really would like to see that kernel finally stops blocking
> usage of this AuriStream codec.

Well I guess it is up to you to make the changes then.


--=20
Luiz Augusto von Dentz