[alsa-devel] [PATCH] ASoC: simple-card: un-implemented .set_fmt is not error

[Kuninori Morimoto]

Current simple-card returns error if DAI doesn't support
.set_fmt callback.
But the return value -ENOTSUPP means "not supported",
it is not error.
This patch avoids such case

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/generic/simple-card.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 62befbd..b75c7b1 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -29,6 +29,11 @@ static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
 	if (!ret && daifmt)
 		ret = snd_soc_dai_set_fmt(dai, daifmt);
 
+	if (ret == -ENOTSUPP) {
+		dev_warn(dai->dev, "ASoC: set_fmt is not supported\n");
+		ret = 0;
+	}
+
 	if (!ret && set->sysclk)
 		ret = snd_soc_dai_set_sysclk(dai, 0, set->sysclk, 0);
 
-- 
1.7.9.5