[alsa-devel] [PATCH 2/4] ASoC: simple-card: dynamically allocate the DAI link array

[Jean-Francois Moine]

The DAI link array is hard-coded as a single CPU / CODEC DAIs link.

This patch allocates this array with the card definition and facilitates
handling more links.

Signed-off-by: Jean-Francois Moine <moinejf at free.fr>
---
 sound/soc/generic/simple-card.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 8809ab4..a75a8bb 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -20,7 +20,6 @@ struct simple_card_data {
 	unsigned int daifmt;
 	struct asoc_simple_dai cpu_dai;
 	struct asoc_simple_dai codec_dai;
-	struct snd_soc_dai_link snd_link;
 };
 
 static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
@@ -246,7 +245,9 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	int ret;
 
-	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	priv = devm_kzalloc(dev,
+			sizeof(*priv) + sizeof(*dai_link),
+			GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
@@ -255,7 +256,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
 	 */
 	priv->snd_card.owner = THIS_MODULE;
 	priv->snd_card.dev = dev;
-	dai_link = &priv->snd_link;
+	dai_link = (struct snd_soc_dai_link *) (priv + 1);
 	priv->snd_card.dai_link = dai_link;
 	priv->snd_card.num_links = 1;
 
-- 
1.9.0