netdev - Re: [very-RFC 0/8] TSN driver for the kernel

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Message-ID: <20160614170442.GA1825@netboy>
Date:	Tue, 14 Jun 2016 19:04:44 +0200
From:	Richard Cochran <richardcochran@...il.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
Cc:	Henrik Austad <henrik@...tad.us>, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, alsa-devel@...r.kernel.org,
	netdev@...r.kernel.org, henrk@...tad.us,
	Arnd Bergmann <arnd@...aro.org>
Subject: Re: [very-RFC 0/8] TSN driver for the kernel

On Tue, Jun 14, 2016 at 12:18:44PM +0100, One Thousand Gnomes wrote:
> On Mon, 13 Jun 2016 21:51:36 +0200
> Richard Cochran <richardcochran@...il.com> wrote:
> > 
> > Actually, we already have support for tunable clock-like HW elements,
> > namely the dynamic posix clock API.  It is trivial to write a driver
> > for VCO or the like.  I am just not too familiar with the latest high
> > end audio devices.
> 
> Why high end ? Even the most basic USB audio is frame based and
> isosynchronous to the USB clock. It also reports back the delay
> properties.

Well, I guess I should have said, I am not too familiar with the
breadth of current audio hardware, high end or low end.  Of course I
would like to see even consumer devices work with AVB, but it is up to
the ALSA people to make that happen.  So far, nothing has been done,
afaict.

Thanks,
Richard