1 files changed, 9 insertions, 0 deletions

diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 069299a88915..b6feb7e225f2 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -169,6 +169,7 @@ struct ak4114 {
         ak4114_read_t * read;
         void * private_data;
         atomic_t wq_processing;
+        struct mutex reinit_mutex;
         spinlock_t lock;
         unsigned char regmap[6];
         unsigned char txcsb[5];
@@ -199,5 +200,13 @@ int snd_ak4114_build(struct ak4114 *ak4114,
 int snd_ak4114_external_rate(struct ak4114 *ak4114);
 int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags);
 
+#ifdef CONFIG_PM
+void snd_ak4114_suspend(struct ak4114 *chip);
+void snd_ak4114_resume(struct ak4114 *chip);
+#else
+static inline void snd_ak4114_suspend(struct ak4114 *chip) {}
+static inline void snd_ak4114_resume(struct ak4114 *chip) {}
+#endif
+
 #endif /* __SOUND_AK4114_H */