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ASoC: renesas: rsnd: allow to use ADG as standalone

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Audio clock generator (= ADG) can be used standalone (without DAI),
but current driver indicates error if it doesn't have DAI on DT.
It is not error, allow to use ADG as standalone.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87v7r22x0a.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
2025-04-17 23:23:17 +00:00
committed by Mark Brown
parent 7490273090
commit ce6949be36
1 changed files with 6 additions and 1 deletions
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7
sound/soc/renesas/rcar/core.c
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@@ -1482,8 +1482,13 @@ static int rsnd_dai_probe(struct rsnd_priv *priv)
int dai_i;
nr = rsnd_dai_of_node(priv, &is_graph);
/*
* There is a case that it is used only for ADG (Sound Clock).
* No DAI is not error
*/
if (!nr)
return -EINVAL;
return 0;
rdrv = devm_kcalloc(dev, nr, sizeof(*rdrv), GFP_KERNEL);
rdai = devm_kcalloc(dev, nr, sizeof(*rdai), GFP_KERNEL);