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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: David Jander <david.jander@protonic.nl>
Cc: Grant Likely <grant.likely@secretlab.ca>,
	alsa-devel@alsa-project.org, lrg@ti.com,
	devicetree-discuss@lists.ozlabs.org, torbenh <torbenh@gmx.de>
Subject: Re: ASoC audio fabric OF bindings RFC. was: Re: ASoC MPC5xxx PSC AC97 audio driver
Date: Mon, 12 Sep 2011 14:19:24 +0100	[thread overview]
Message-ID: <20110912131924.GB5887@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <20110912145507.4ac0d56f@archvile>

On Mon, Sep 12, 2011 at 02:55:07PM +0200, David Jander wrote:
> Mark Brown <broonie@opensource.wolfsonmicro.com> wrote:

> > Other OSs are actively using device tree.

> Interesting. I wasn't aware of "actively using". Sure, there's MacOS-X-ppc,
> IBM AIX, Oracle Solaris.... and I just discovered that Free-/OpenBSD also use
> them.

*BSD are the main ones to consider here.

> > Eliminating board specific code for audio is not a realistic goal, the
> > configuration of modern audio subsystems is too complex and dynamic.  

> Why not? How complex could it be in order to not be able to describe it in a
> Device-Tree in some OS-agnostic way?

Note the "dynamic" bit - the configuration changes at runtime.
Describing the hardware for something like a modern smartphone isn't
particularly useful due to the flexibility, there are too many different
ways of configuring the system and we need code to acutally take those
decision.

> > The plan is to push the device trees out of the kernel into a separate
> > repository.

> Good idea.... but where should such a repository be hosted?

Still an open issue.

  reply	other threads:[~2011-09-12 13:19 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20110908121600.267dee07@archvile>
2011-09-08 10:28 ` ASoC MPC5xxx PSC AC97 audio driver jonsmirl
     [not found]   ` <20110908124529.520c1388@archvile>
2011-09-08 10:55     ` jonsmirl
2011-09-08 14:32       ` David Jander
2011-09-08 17:52         ` jonsmirl
2011-09-09  6:48           ` David Jander
2011-09-08 18:44         ` torbenh
2011-09-09  6:28           ` David Jander
2011-09-09 10:02             ` ASoC audio fabric OF bindings RFC. was: " David Jander
2011-09-09 16:37               ` Mark Brown
2011-09-12  6:31                 ` David Jander
2011-09-12 11:09                   ` Mark Brown
2011-09-12 12:55                     ` David Jander
2011-09-12 13:19                       ` Mark Brown [this message]
2011-09-12 13:59                         ` David Jander
2011-09-12 14:52                           ` Mark Brown
2011-09-12 19:48                             ` Grant Likely
2011-09-13  6:31                               ` David Jander

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