[alsa-devel] [PATCH v3 0/5] ALSA: snd-usb: add support for DSD

[Jussi Laako]

On 04/17/2013 08:04 PM, Daniel Mack wrote:
> You volunteer for sending a patch? :)

I have to admit I have no idea from where and how ALSA API docs are 
generated.

> Ok, that's a case I haven't though of yet, but we can easily extend that
> logic once such a device is used by anyone. For now, this entire logic
> is only relevant for one series of devices, and for that, we know the
> parameters exactly.

Over 50% of devices I've seen use 32-bit sample formats for DoP, 
including the one I regularly use with Linux. That's why I asked...

Currently most popular OEM blocks are XMOS and M2Tech hiFace which both 
use 32-bit sample format.

> The important thing is that we don't have to break the userspace API,
> but I think we're safe here, right?

Yes, it looks good to me.