ALSA: pcm: Build pcm notifier code conditionally

[linux-block.git] / include / sound / pcm.h

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 361749e607991b742b1ddc62be1e7bb22b2c18eb..eb16912d6046b1f34b2e44a996c41583c10620a0 100644 (file)
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -531,13 +531,6 @@ struct snd_pcm {
 #endif
 };
 
-struct snd_pcm_notify {
-       int (*n_register) (struct snd_pcm * pcm);
-       int (*n_disconnect) (struct snd_pcm * pcm);
-       int (*n_unregister) (struct snd_pcm * pcm);
-       struct list_head list;
-};
-
 /*
  *  Registering
  */
@@ -552,7 +545,15 @@ int snd_pcm_new_internal(struct snd_card *card, const char *id, int device,
                struct snd_pcm **rpcm);
 int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count);
 
+#if IS_ENABLED(CONFIG_SND_PCM_OSS)
+struct snd_pcm_notify {
+       int (*n_register) (struct snd_pcm * pcm);
+       int (*n_disconnect) (struct snd_pcm * pcm);
+       int (*n_unregister) (struct snd_pcm * pcm);
+       struct list_head list;
+};
 int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree);
+#endif
 
 /*
  *  Native I/O