Re: [PATCH 2/6] ASoC: rsrc-card: add convert channels support

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On Thu, Feb 25, 2016 at 05:51:44AM +0000, Kuninori Morimoto wrote:
> 
> From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> 
> Renesas sound device has CTU (= Channel Transfer Unit), and
> sound card needs its support.
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
> ---
>  .../bindings/sound/renesas,rsrc-card.txt           |  1 +
>  sound/soc/sh/rcar/rsrc-card.c                      | 22 ++++++++++++++++------
>  2 files changed, 17 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt b/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt
> index 2b2caa2..5abebf7 100644
> --- a/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt
> +++ b/Documentation/devicetree/bindings/sound/renesas,rsrc-card.txt
> @@ -30,6 +30,7 @@ Optional subnode properties:
>  - frame-inversion			: bool property. Add this if the
>  					  dai-link uses frame clock inversion.
>  - convert-rate				: platform specified sampling rate convert
> +- convert-channels			: platform specified channel size convert

This needs a better description (as did convert-rate). What is the type?
What are valid values?

>  - audio-prefix				: see audio-routing
>  - audio-routing				: A list of the connections between audio components.
>  					  Each entry is a pair of strings, the first being the connection's sink,
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