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authorTakashi Iwai <tiwai@suse.de>2017-05-12 12:35:17 +0300
committerTakashi Iwai <tiwai@suse.de>2017-05-17 08:13:03 +0300
commit58f30d650c7f5275d4d57e62862970e1078af462 (patch)
tree4d2ba69f6f8698efdeab8716bd3b54cff2483f45 /include/sound
parent239480ab92a52544748749c8445f4e12495e4f69 (diff)
downloadlinux-58f30d650c7f5275d4d57e62862970e1078af462.tar.xz
ALSA: pcm: Build pcm notifier code conditionally
The PCM notifier code is used only by OSS emulation layer, so we can build it conditionally for reducing the size. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/pcm.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 361749e60799..eb16912d6046 100644
--- 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