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Date: Tue, 11 Sep 2012 20:33:45 -0600
From: Stephen Warren <swarren@wwwdotorg.org>
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To: Eric Millbrandt <emillbrandt@dekaresearch.com>
Subject: Re: [alsa-devel] [PATCH 3/5] ASoC: fsl: mpc5200-soc-audio driver
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Cc: alsa-devel@alsa-project.org,
 Mark Brown <broonie@opensource.wolfsonmicro.com>,
 Anatolij Gustschin <agust@denx.de>, linuxppc-dev@lists.ozlabs.org,
 Liam Girdwood <lrg@ti.com>
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On 09/11/2012 08:14 PM, Eric Millbrandt wrote:
> Add a generic mpc5200 driver that allows asoc cards to be defined in the
> device tree.

> +++ b/Documentation/devicetree/bindings/powerpc/fsl/mpc5200.txt

> +A sound node is defined for each asoc platform.  A sound node must
> +have at least one child DAI node.
> +- card-name           - The card name to register in asoc
> +- audio-platform      - Contains a phandle to a ac97 or i2s node
> +- number-of-dais      - The number of DAIs defined

Can't you get that value simply by counting all the child nodes? It
seems redundant.