ASoC: soc-utils.c: add asoc_dummy_dlc

ASoC uses dummy Component, sharing snd_soc_dai_link_component
for it is better idea. This patch adds it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com
Link: https://lore.kernel.org/r/87a5yy0zyk.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org

include/sound/soc.h

@@ -878,6 +878,7 @@ asoc_link_to_platform(struct snd_soc_dai_link *link, int n) {
 #define COMP_DUMMY()			{ .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", }
 
 extern struct snd_soc_dai_link_component null_dailink_component[0];
+extern struct snd_soc_dai_link_component asoc_dummy_dlc;
 
 
 struct snd_soc_codec_conf {

sound/soc/soc-utils.c

@@ -224,6 +224,13 @@ int snd_soc_component_is_dummy(struct snd_soc_component *component)
 		(component->driver == &dummy_codec));
 }
 
+struct snd_soc_dai_link_component asoc_dummy_dlc = {
+	.of_node	= NULL,
+	.dai_name	= "snd-soc-dummy-dai",
+	.name		= "snd-soc-dummy",
+};
+EXPORT_SYMBOL_GPL(asoc_dummy_dlc);
+
 static int snd_soc_dummy_probe(struct platform_device *pdev)
 {
 	int ret;