[Sound-open-firmware] How to figure out the direction when dai_config is called?

[Pierre-Louis Bossart]

On 11/7/19 6:18 AM, Paul Olaru wrote:
> On the i.MX platform, the SAI and ESAI DAIs require the direction (whether it's playback or capture) to be able to
> correctly decide which DMA channel is to be used (the channels differ between playback and capture). I have just
> made a simple modification to the pipeline to also have a record pipeline on the ESAI and I'm getting an error
> due to attempting to request channel 7 (Playback) twice. It seems that dai_config is called twice within the same
> IPC request (once for each instance of the DAI) and in both cases with the same direction too.

I vaguely recall the kernel sends the dai config for each direction.
Ranjani might recall better than me...

> 
> What would be the best approach with this one?
> 
> I have attached the diff with my current attempt to adding that record pipeline. Perhaps something is wrong with
> that?

I don't see a diff, not sure if you forgot it or if the mail server 
removes it.