[RFC] ASoC: simple-card: Fix configuration of DAI format
diff mbox series

Message ID 1558029086-18024-1-git-send-email-jonathanh@nvidia.com
State New
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Series
  • [RFC] ASoC: simple-card: Fix configuration of DAI format
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Commit Message

Jon Hunter May 16, 2019, 5:51 p.m. UTC
When configuring a codec to be both bit-clock and frame-master, it was
found that the codec was always configured as bit-clock and frame-slave.
Looking at the simple_dai_link_of() function there appears to be two
problems with the configuration of the DAI format, which are ...

1. The function asoc_simple_parse_daifmt() is called before the function
   asoc_simple_parse_codec() and this means that the device-tree node
   for the codec has not been parsed yet, which is needed by the
   function asoc_simple_parse_daifmt() to determine who is the codec.
2. The phandle passed to asoc_simple_parse_daifmt() is the phandle to
   the 'codec' node and not the phandle of the actual codec defined by
   the 'sound-dai' property under the 'codec' node.

Fix the above by moving the call to asoc_simple_parse_daifmt() after the
the call to asoc_simple_parse_codec() and pass the phandle for the codec
to asoc_simple_parse_daifmt().

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
 sound/soc/generic/simple-card.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Patch
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diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 9b568f578bcd..c2c8dcbcf795 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -283,11 +283,6 @@  static int simple_dai_link_of(struct asoc_simple_priv *priv,
 	codec_dai		=
 	dai_props->codec_dai	= &priv->dais[li->dais++];
 
-	ret = asoc_simple_parse_daifmt(dev, node, codec,
-				       prefix, &dai_link->dai_fmt);
-	if (ret < 0)
-		goto dai_link_of_err;
-
 	simple_parse_mclk_fs(top, cpu, codec, dai_props, prefix);
 
 	ret = asoc_simple_parse_cpu(cpu, dai_link, &single_cpu);
@@ -298,6 +293,11 @@  static int simple_dai_link_of(struct asoc_simple_priv *priv,
 	if (ret < 0)
 		goto dai_link_of_err;
 
+	ret = asoc_simple_parse_daifmt(dev, node, dai_link->codecs->of_node,
+				       prefix, &dai_link->dai_fmt);
+	if (ret < 0)
+		goto dai_link_of_err;
+
 	ret = asoc_simple_parse_platform(plat, dai_link);
 	if (ret < 0)
 		goto dai_link_of_err;