/* init.c */
-extern unsigned int snd_cards_lock;
extern struct snd_card *snd_cards[SNDRV_CARDS];
-extern rwlock_t snd_card_rwlock;
+int snd_card_locked(int card);
#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
#define SND_MIXER_OSS_NOTIFY_REGISTER 0
#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1