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From: Jerome Brunet <jbrunet@baylibre.com>
To: Mark Brown <broonie@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Kevin Hilman <khilman@baylibre.com>
Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
	Jerome Brunet <jbrunet@baylibre.com>
Subject: [PATCH 1/2] ASoC: soc-core: defer card registration if codec component is missing
Date: Wed, 26 Jun 2019 15:36:16 +0200	[thread overview]
Message-ID: <20190626133617.25959-2-jbrunet@baylibre.com> (raw)
In-Reply-To: <20190626133617.25959-1-jbrunet@baylibre.com>

Like cpus and platforms, defer sound card initialization if the codec
component is missing when initializing the dai_link

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 sound/soc/soc-core.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 358f1fbf9a30..002ddbf4e5a3 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1064,12 +1064,20 @@ static int soc_init_dai_link(struct snd_soc_card *card,
 				link->name);
 			return -EINVAL;
 		}
+
 		/* Codec DAI name must be specified */
 		if (!codec->dai_name) {
 			dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n",
 				link->name);
 			return -EINVAL;
 		}
+
+		/*
+		 * Defer card registartion if codec component is not added to
+		 * component list.
+		 */
+		if (!soc_find_component(codec))
+			return -EPROBE_DEFER;
 	}
 
 	/*
-- 
2.21.0


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  reply	other threads:[~2019-06-26 13:37 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-26 13:36 [PATCH 0/2] ASoC: soc-core: update dai_link init Jerome Brunet
2019-06-26 13:36 ` Jerome Brunet [this message]
2019-06-26 21:20   ` [alsa-devel] [PATCH 1/2] ASoC: soc-core: defer card registration if codec component is missing Pierre-Louis Bossart
2019-06-26 13:36 ` [PATCH 2/2] ASoC: soc-core: support dai_link with platforms_num != 1 Jerome Brunet
2019-06-26 23:44   ` Kuninori Morimoto

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