[alsa-devel] [PATCH] [RFC] ARM: shmobile: bockw dts: Override #sound-dai-cells to zero

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Tue Dec 8 01:08:28 CET 2015


Hi

> The default value of #sound-dai-cells in r8a7778.dtsi is one, while
> the /sound/simple-audio-card,cpu device node in r8a7778-bockw.dts uses a
> phandle without any extra cells ("<&rcar_sound>"), causing:
> 
>     /sound/simple-audio-card,cpu: arguments longer than property
>     asoc-simple-card sound: parse error -22
>     asoc-simple-card: probe of sound failed with error -22
> 
> Override #sound-dai-cells to zero to fix this.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

> The rcar_sound node is still disabled. So why is this needed?!?

This error came from "simple-audio-card", not "rcar_sound" I think.
# sound needs many drivers...

Actually, I don't want to have default #sound-dai-cells in r8a7778.dtsi.
Like below. I will send this patch soon

ad63241cdc328edbb0f879416ea7707bf0997f08
("ARM: shmobile: r8a7790: tidyup #sound-dai-cells settings")



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