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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2023-04-06 00:16:27 +0000
committerMark Brown <broonie@kernel.org>2023-04-17 12:57:26 +0100
commit0f3b818486796ec8895fa4ccdf15edb759bff40a (patch)
tree7fc8dba52d49253349467e1f3e896bd6a23aeea6 /include/sound/soc-card.h
parent38e42f6d6c6702bbfc633fce9b579fb80cec2d59 (diff)
ASoC: add snd_soc_card_mutex_lock/unlock()
ASoC need to use card->mutex with _INIT or _RUNTIME, but there is no helper function for it. This patch adds its helper function and use it. Because people might misunderstand that _init() is mutex initialization, this patch renames _INIT to _ROOT and adds new snd_soc_card_mutex_lock_root() for it. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87a5zlx3tw.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/sound/soc-card.h')
-rw-r--r--include/sound/soc-card.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/sound/soc-card.h b/include/sound/soc-card.h
index 9d31a5c0db33..fc94dfb0021f 100644
--- a/include/sound/soc-card.h
+++ b/include/sound/soc-card.h
@@ -9,10 +9,25 @@
#define __SOC_CARD_H
enum snd_soc_card_subclass {
- SND_SOC_CARD_CLASS_INIT = 0,
+ SND_SOC_CARD_CLASS_ROOT = 0,
SND_SOC_CARD_CLASS_RUNTIME = 1,
};
+static inline void snd_soc_card_mutex_lock_root(struct snd_soc_card *card)
+{
+ mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_ROOT);
+}
+
+static inline void snd_soc_card_mutex_lock(struct snd_soc_card *card)
+{
+ mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+}
+
+static inline void snd_soc_card_mutex_unlock(struct snd_soc_card *card)
+{
+ mutex_unlock(&card->mutex);
+}
+
struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
const char *name);
int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,