[alsa-devel] [PATCH 095/145] ASoC: qcom: common: use modern dai_link style

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Wed May 22 05:47:24 CEST 2019


From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

ASoC is now supporting modern style dai_link
(= snd_soc_dai_link_component) for CPU/Codec/Platform.
This patch switches to use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/qcom/common.c | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)

diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c
index 5661025..c7a8785 100644
--- a/sound/soc/qcom/common.c
+++ b/sound/soc/qcom/common.c
@@ -14,6 +14,7 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
 	struct device *dev = card->dev;
 	struct snd_soc_dai_link *link;
 	struct of_phandle_args args;
+	struct snd_soc_dai_link_component *dlc;
 	int ret, num_links;
 
 	ret = snd_soc_of_parse_card_name(card, "model");
@@ -40,6 +41,17 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
 
 	card->num_links = num_links;
 	link = card->dai_link;
+
+	dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL);
+	if (!dlc)
+		return -ENOMEM;
+
+	link->cpus	= &dlc[0];
+	link->platforms	= &dlc[1];
+
+	link->num_cpus		= 1;
+	link->num_platforms	= 1;
+
 	for_each_child_of_node(dev->of_node, np) {
 		cpu = of_get_child_by_name(np, "cpu");
 		platform = of_get_child_by_name(np, "platform");
@@ -57,20 +69,20 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
 			dev_err(card->dev, "error getting cpu phandle\n");
 			goto err;
 		}
-		link->cpu_of_node = args.np;
+		link->cpus->of_node = args.np;
 		link->id = args.args[0];
 
-		ret = snd_soc_of_get_dai_name(cpu, &link->cpu_dai_name);
+		ret = snd_soc_of_get_dai_name(cpu, &link->cpus->dai_name);
 		if (ret) {
 			dev_err(card->dev, "error getting cpu dai name\n");
 			goto err;
 		}
 
 		if (codec && platform) {
-			link->platform_of_node = of_parse_phandle(platform,
+			link->platforms->of_node = of_parse_phandle(platform,
 					"sound-dai",
 					0);
-			if (!link->platform_of_node) {
+			if (!link->platforms->of_node) {
 				dev_err(card->dev, "platform dai not found\n");
 				ret = -EINVAL;
 				goto err;
@@ -84,9 +96,16 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
 			link->no_pcm = 1;
 			link->ignore_pmdown_time = 1;
 		} else {
-			link->platform_of_node = link->cpu_of_node;
-			link->codec_dai_name = "snd-soc-dummy-dai";
-			link->codec_name = "snd-soc-dummy";
+			dlc = devm_kzalloc(dev, sizeof(*dlc), GFP_KERNEL);
+			if (!dlc)
+				return -ENOMEM;
+
+			link->codecs	 = dlc;
+			link->num_codecs = 1;
+
+			link->platforms->of_node = link->cpus->of_node;
+			link->codecs->dai_name = "snd-soc-dummy-dai";
+			link->codecs->name = "snd-soc-dummy";
 			link->dynamic = 1;
 		}
 
-- 
2.7.4



More information about the Alsa-devel mailing list