diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h
index 069299a..e681df2 100644
--- a/include/sound/ak4114.h
+++ b/include/sound/ak4114.h
@@ -199,5 +199,13 @@
 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 */