[alsa-devel] Pioneer DDJ-SX3 usb audio quirks

[Takashi Iwai]

On Wed, 09 Jan 2019 16:58:48 +0100,
ard wrote:
> 
> Since this is a copy paste of the roland octo capture with fixes for the numbers I know, I am still wondering about this:
> Should I use .ifnum=1 for every snd_usb_audio_quirk?
> And in eacht audioformat should I use .iface = 0? 

Just put the value you take for .ifnum to .iface field.  They must be
same.

> I also wonder what the .altset_idx means.

When you look at lsusb output, you find bAlternateSetting field.
That's the value of altsetting field.  altset_idx is the array index
(zero-based) of the corresponding entry.


HTH,

Takashi