From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Cochran <richardcochran@gmail.com>
Date: Fri, 4 Sep 2015 10:11:22 +0200
Subject: [Intel-wired-lan] [PATCH v3 1/4] Add correlated clocksource
 deriving system time from an auxiliary clocksource
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 <B79D786B7111A34A8CF09F833429C493A90B2D1F@ORSMSX109.amr.corp.intel.com>
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On Thu, Sep 03, 2015 at 11:20:37PM +0000, Hall, Christopher S wrote:
> In addition to the network interface, ART will be used in the audio interface as well.
> We need to support the case where an audio co-processor will control the audio device.
> In this case, the get_ts() function supplied by the audio driver will be very slow
> (several milliseconds) and the result will be out of date by some fraction of that 
> amount.

Why does it take milliseconds to read one audio time stamp?

Thanks,
Richard