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@xxxxxxxxxxx> --- sound/soc/renesas/rcar/core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sound/soc/renesas/rcar/core.c b/sound/soc/renesas/rcar/core.c index 30afc942d3818..4f4ed24cb3616 100644 --- a/sound/soc/renesas/rcar/core.c +++ b/sound/soc/renesas/rcar/core.c @@ -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); -- 2.43.0
