Re: [PATCH v8] virtio-snd: add virtio sound device specification

[Gerd Hoffmann <kraxel@redhat.com>]

  Hi,

> This patch proposes virtio specification for a new virtio sound device,
> that may be useful in case when having audio is required but a device
> passthrough or emulation is not an option.
> 
> Signed-off-by: Anton Yakovlev <anton.yakovlev@opensynergy.com>
> ---
> 
> v7->v8 changes:
> 1. Add a universal control request to query information about any
>    configuration item (jacks, streams and channel maps). The request
>    allows to get information in one by one or in a batch manner.
> 2. Add a common information header that allows to link items together
>    in a unified way.
> 3. Rework a jack configuration as a jack information structure.
> 4. Rework a stream configuration as a stream information structure.
> 5. Make a channel map as a separate item and add the
>    "Channel Map Control Messages" section.

Looks good to me.  The new *INFO commands are certainly an improvement.
I guess you have both guest and host implementations for this meanwhile?

take care,
  Gerd