#define snd_power_lock(card) do { (void)(card); } while (0)
#define snd_power_unlock(card) do { (void)(card); } while (0)
static inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; }
-#define snd_power_get_state(card) SNDRV_CTL_POWER_D0
+#define snd_power_get_state(card) ({ (void)(card); SNDRV_CTL_POWER_D0; })
#define snd_power_change_state(card, state) do { (void)(card); } while (0)
#endif /* CONFIG_PM */