linux-kernel - [PATCHv4 1/9] ASoC: fsl-asoc-card: add support for dai links with multiple codecs

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Date: Wed, 15 May 2024 15:54:03 +0200
From: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shengjiu Wang <shengjiu.wang@...il.com>,
	Xiubo Li <Xiubo.Lee@...il.com>,
	Fabio Estevam <festevam@...il.com>,
	Nicolin Chen <nicoleotsuka@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>
Cc: linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org,
	linuxppc-dev@...ts.ozlabs.org,
	Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
Subject: [PATCHv4 1/9] ASoC: fsl-asoc-card: add support for dai links with multiple codecs

Add support for dai links using multiple codecs for multi-codec
use cases.

Signed-off-by: Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>
Co-authored-by: Philip-Dylan Gleonec <philip-dylan.gleonec@...oirfairelinuxcom>
---
 sound/soc/fsl/fsl-asoc-card.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 5ddc0c2fe53f..8a2a6e5461dc 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -815,10 +815,10 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 
 	/* Normal DAI Link */
 	priv->dai_link[0].cpus->of_node = cpu_np;
-	priv->dai_link[0].codecs->dai_name = codec_dai_name;
+	priv->dai_link[0].codecs[0].dai_name = codec_dai_name;
 
 	if (!fsl_asoc_card_is_ac97(priv))
-		priv->dai_link[0].codecs->of_node = codec_np;
+		priv->dai_link[0].codecs[0].of_node = codec_np;
 	else {
 		u32 idx;
 
@@ -829,11 +829,11 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 			goto asrc_fail;
 		}
 
-		priv->dai_link[0].codecs->name =
+		priv->dai_link[0].codecs[0].name =
 				devm_kasprintf(&pdev->dev, GFP_KERNEL,
 					       "ac97-codec.%u",
 					       (unsigned int)idx);
-		if (!priv->dai_link[0].codecs->name) {
+		if (!priv->dai_link[0].codecs[0].name) {
 			ret = -ENOMEM;
 			goto asrc_fail;
 		}
@@ -844,13 +844,19 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 	priv->card.num_links = 1;
 
 	if (asrc_pdev) {
+		int i;
+		struct snd_soc_dai_link_component *codec;
+		struct snd_soc_dai_link *link;
+
 		/* DPCM DAI Links only if ASRC exists */
 		priv->dai_link[1].cpus->of_node = asrc_np;
 		priv->dai_link[1].platforms->of_node = asrc_np;
-		priv->dai_link[2].codecs->dai_name = codec_dai_name;
-		priv->dai_link[2].codecs->of_node = codec_np;
-		priv->dai_link[2].codecs->name =
-				priv->dai_link[0].codecs->name;
+		link = &(priv->dai_link[2]);
+		for_each_link_codecs(link, i, codec) {
+			codec->dai_name = priv->dai_link[0].codecs[i].dai_name;
+			codec->of_node = priv->dai_link[0].codecs[i].of_node;
+			codec->name = priv->dai_link[0].codecs[i].name;
+		}
 		priv->dai_link[2].cpus->of_node = cpu_np;
 		priv->dai_link[2].dai_fmt = priv->dai_fmt;
 		priv->card.num_links = 3;
-- 
2.34.1