[wdmaudiodev] Re: Support for clock source selection for USB2 Audio?

  • From: Tim Roberts <timr@xxxxxxxxx>
  • To: wdmaudiodev@xxxxxxxxxxxxx
  • Date: Thu, 11 Jan 2018 10:06:05 -0800

Franz Detro wrote:

KS wrote:
In USB2 Audio, it is possible for device to support multiple clock
source that can be selected through a clock selector.
I don't see that anywhere in the Audio Class specification.  Where is
that described?
Audio20 final.pdf, 3.13.11.2 Clock Selector, 3.16.3 Clock Model, 4.7.2.1 
Clock Source Descriptor and 4.7.2.2 Clock Selector Descriptor

Ah, I see.  The OP wrote "USB2 Audio" when they actually meant "USB
Audio 2.0".  Those are two completely different things.

-- 
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.

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