Re: [PATCH v3] ALSA: usb: initial USB Audio Device Class 3.0 support

From: Greg Kroah-Hartman
Date: Wed Mar 21 2018 - 05:54:31 EST


On Wed, Mar 21, 2018 at 02:03:59AM +0200, Ruslan Bilovol wrote:
> Recently released USB Audio Class 3.0 specification
> introduces many significant changes comparing to
> previous versions, like
> - new Power Domains, support for LPM/L1
> - new Cluster descriptor
> - changed layout of all class-specific descriptors
> - new High Capability descriptors
> - New class-specific String descriptors
> - new and removed units
> - additional sources for interrupts
> - removed Type II Audio Data Formats
> - ... and many other things (check spec)
>
> It also provides backward compatibility through
> multiple configurations, as well as requires
> mandatory support for BADD (Basic Audio Device
> Definition) on each ADC3.0 compliant device
>
> This patch adds initial support of UAC3 specification
> that is enough for Generic I/O Profile (BAOF, BAIF)
> device support from BADD document.
>
> Signed-off-by: Ruslan Bilovol <ruslan.bilovol@xxxxxxxxx>

Nice work!

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>