Re: [Bluez-devel] [PATCH]Dynamic Alternate Setting patch (hci_usb.c)

[Marcel Holtmann <marcel@holtmann.org>]

Hi Jose,

> >     * How do you make sure data for different channels is interleaved?
> >
> >
> > Well , since we know that there can be max 3 SCO channels , we can 
> > have 3 separate queues, and use a round robin method to send out the 
> > packets from the queues. i am not sure about this idea though.  What 
> > do u think?
> I think this is the right approach; I found that it's very important to 
> do the
> interleaving properly. There is an issue if one of the queues is empty
> (i.e. buffer underrun). What to do in that case? Send silence?

this is not the job of the transport driver. The job of the transport
driver is to send the SCO packets to the hardware. The Bluetooth core
has to take care of the correct ordering.

Regards

Marcel



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