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ASoC: audio-graph-scu-card: tidyup "prefix" parsing on Doc

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audio-graph-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 00:55:54 +00:00 committed by Mark Brown
parent ca8d95c709
commit 264d15035e
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Documentation/devicetree/bindings/sound/audio-graph-scu-card.txt
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@ -77,7 +77,6 @@ Example 2. 2 CPU 1 Codec (Mixing)
compatible = "audio-graph-scu-card";
label = "sound-card";
prefix = "codec";
routing = "codec Playback", "DAI0 Playback",
"codec Playback", "DAI1 Playback",
"DAI0 Capture", "codec Capture";
@ -90,6 +89,7 @@ Example 2. 2 CPU 1 Codec (Mixing)
audio-codec {
...
audio-graph-card,prefix = "codec";
port {
codec_endpoint0: endpoint {
remote-endpoint = <&cpu_endpoint0>;