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-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,