[alsa-devel] about UCM on bluetooth headset

[Liam Girdwood]

On 22/08/11 07:19, Lu Guanqun wrote:
> Hi Liam,
> 
> In alsa-libs:include/use-case.h, there are below lines:
> 
> 	* a conversation etc. The device describes the physical audio capture and playback
> 	* hardware i.e. headphones, phone handset, bluetooth headset, etc.
> 
> I'm not quite clear about how to set a use case for bluetooth headset.
> According to my understanding, bluetooth doesn't fall into the category
> of ALSA, therefore there's no such direct devices for it.
> 
> Could you shed some lights on this? What's the best practises to use UCM
> with bluetooth?
> 

This is intended for systems where the BT audio is integrated in some way with the other audio ICs. It's intended to configure the other audio devices to allow use cases involving BT in such systems.

Liam