[Sound-open-firmware] about SOF 1.2 topology support

[Keyon Jie]

On 2018年05月22日 03:08, Liam Girdwood wrote:
> On Mon, 2018-05-21 at 09:15 -0700, Ranjani Sridharan wrote:
>>>> 5. Add a kcontrol for each SSP BE to switch loopback on/off, for
>>>> test
>>>> purpose.
>>
>> I'm not sure there's support for adding kcontrols to BE link widgets in
>> alsa topology atm. You might want to check that.
> 
> I think the intention here is to add an associated kcontrol (not in any audio
> path/graph) for each SSP. The DAI FW driver will need to register a cmd()
> callback to support this and maybe a bespoke topology tuple will need to be used
> to bind the kcontrol to the SSP port.

yep, that is what we did for 0.9.5.

Thanks,
~Keyon

> 
> Liam
>