Re: [Bluez-devel] question: what does this patch from snd-bt-sco do?

[Lars Grunewaldt <lgw@dark-reality.de>]

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Hi again,

I hope you can remember the issue we had a few weeks ago about
snd-bt-sco/bt-headset stuff.

I'm right now moving it from alsa 1.0.3 to 1.0.5a and kernel 2.6.7, and
I want to get rid of this patch (as it seems you all don't like it).

But I still don't understand, and can't find out, what I have to do to
set the dubious "alternate" setting of the hci_usb you spoke of. I'm
totally lost here, and I hope you can help me out easily :)

I understand what it does, but I don't have *any* clue right now what I
have to do to set the usb alternate setting.

- - parameter to hci_usb on module load or some other CL stuff?
- - changing something in the btsco userspace daemon that handles the
rfcomm/sco-stuff?

If you could just supply a short code snippet that shows how to handle
this stuff. Right now it does not look very wise to reduce support to
audio 0x0060, because it seems that not many headsets support that audio
encoding.

As soon as this works again, I'll put a new patch together and make it
available.

thanks for helping out,
~  Lars

Marcel Holtmann wrote:
| Hi Lars,
|
|
|>um, sorry - what's an alternate setting? I mean, what exactly is "set"
here?
|
|
| this has nothing to do with ALSA or BlueZ. It is a USB specific
| definition of having alternate settings for an interface. Look at
| /proc/bus/usb/devices for your USB Bluetooth dongle.
|
| Regards
|
| Marcel
|
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