From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 16 Apr 2025 06:27:10 +0000 (+0000)
Subject: ASoC: soc-utils: add snd_soc_dlc_is_dummy()
X-Git-Tag: v6.16-rc1~13^2~6^2~44^2~2
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=3e021f3b8115;p=linux-block.git

ASoC: soc-utils: add snd_soc_dlc_is_dummy()

We have snd_soc_xxx_is_dummy() functions, but not for dlc.
Let's add it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87cydc8vup.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 952ed77b8c87..21903984af49 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -935,7 +935,7 @@ snd_soc_link_to_platform(struct snd_soc_dai_link *link, int n) {
 
 extern struct snd_soc_dai_link_component null_dailink_component[0];
 extern struct snd_soc_dai_link_component snd_soc_dummy_dlc;
-
+int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc);
 
 struct snd_soc_codec_conf {
 	/*
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 5e3e4f14c392..a1bcc852a6de 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -262,6 +262,19 @@ struct snd_soc_dai_link_component snd_soc_dummy_dlc = {
 };
 EXPORT_SYMBOL_GPL(snd_soc_dummy_dlc);
 
+int snd_soc_dlc_is_dummy(struct snd_soc_dai_link_component *dlc)
+{
+	if (dlc == &snd_soc_dummy_dlc)
+		return true;
+
+	if (strcmp(dlc->name,	  snd_soc_dummy_dlc.name)	== 0 ||
+	    strcmp(dlc->dai_name, snd_soc_dummy_dlc.dai_name)	== 0)
+		return true;
+
+	return false;
+}
+EXPORT_SYMBOL_GPL(snd_soc_dlc_is_dummy);
+
 static int snd_soc_dummy_probe(struct faux_device *fdev)
 {
 	int ret;