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ASoC: soc-utils: add snd_soc_dlc_is_dummy()

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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>
This commit is contained in:
Kuninori Morimoto 2025-04-16 06:27:10 +00:00 • committed by Mark Brown
parent b4432656b3
commit 3e021f3b81
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GPG key ID: 24D68B725D5487D0
2 changed files with 14 additions and 1 deletions
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2
include/sound/soc.h
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@ -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 {
/*

13
sound/soc/soc-utils.c
View file

@ -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;