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From: Jon Hunter <jonathanh@nvidia.com>
To: Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
	Takashi Iwai <tiwai@suse.com>
Cc: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
	<linux-tegra@vger.kernel.org>,
	Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
	Jon Hunter <jonathanh@nvidia.com>
Subject: [PATCH] Revert "ASoC: simple-card: Fix configuration of DAI format"
Date: Fri, 24 May 2019 09:54:04 +0100	[thread overview]
Message-ID: <1558688044-22025-1-git-send-email-jonathanh@nvidia.com> (raw)

Revert commit 069d037aea98 ("ASoC: simple-card: Fix configuration of
DAI format"). During further review, it turns out that the actual issue
was caused by an incorrectly formatted device-tree node describing the
soundcard.

The following is incorrect because the simple-audio-card
'bitclock-master' and 'frame-master' properties should not reference the
actual codec phandle ...

	sound {
		compatible = "simple-audio-card";
		...
	=>	simple-audio-card,bitclock-master = <&codec>;
	=>	simple-audio-card,frame-master = <&codec>;
		...

		simple-audio-card,cpu {
			sound-dai = <&xxx>;
		};

		simple-audio-card,codec {
	=>		sound-dai = <&codec>;
		};
	};

Rather, these properties should reference the phandle to the
'simple-audio-card,codec' property as shown below ...

	sound {
		compatible = "simple-audio-card";
		...
	=>	simple-audio-card,bitclock-master = <&codec>;
	=>	simple-audio-card,frame-master = <&codec>;
		...

		simple-audio-card,cpu {
			sound-dai = <&xxx>;
		};

	=>	codec: simple-audio-card,codec { /* simple-card wants here */
			sound-dai = <&xxx>;	 /* not here */
		};
	};

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

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index c2a2c5fd0801..d16e894fce2b 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -283,6 +283,11 @@ 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);
@@ -293,11 +298,6 @@ 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;
-- 
2.7.4


             reply	other threads:[~2019-05-24  8:55 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-24  8:54 Jon Hunter [this message]
2019-05-24 11:10 ` Mark Brown
2019-05-24 12:12 ` Applied "ASoC: simple-card: Restore original configuration of DAI format" to the asoc tree Mark Brown

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