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ASoC: simple-scu-card: tidyup "prefix" parsing on Doc

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simple-scu-card.c is supporting "prefix" which is used to avoid
DAI naming conflict when CPU/Codec matching.
But, sound card might have multi sub-devices, and each codec might need
each prefix.

Now, ASoC is supporting snd_soc_of_parse_node_prefix(), let's support
it on audio-graph-scu-card, too. It is keeping existing DT style.

It can't support each codec's prefix if sound card had multi sub-devices
without this patch.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2018-11-22 00:55:24 +00:00 committed by Mark Brown
parent 3b7103562c
commit f94b0f7f92
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1 changed files with 1 additions and 1 deletions
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2
Documentation/devicetree/bindings/sound/simple-scu-card.txt
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@ -75,7 +75,6 @@ sound {
simple-audio-card,bitclock-master = <&dpcmcpu>;
simple-audio-card,frame-master = <&dpcmcpu>;
simple-audio-card,prefix = "ak4642";
simple-audio-card,routing = "ak4642 Playback", "DAI0 Playback",
"ak4642 Playback", "DAI1 Playback";
@ -88,6 +87,7 @@ sound {
};
codec {
prefix = "ak4642";
sound-dai = <&ak4643>;
clocks = <&audio_clock>;
};