1 files changed, 3 insertions, 0 deletions

diff --git a/include/sound/mixer_oss.h b/include/sound/mixer_oss.h
index 51fbcb4a277a..13cb0b430a1b 100644
--- a/include/sound/mixer_oss.h
+++ b/include/sound/mixer_oss.h
@@ -73,6 +73,9 @@ struct snd_mixer_oss_file {
         struct snd_mixer_oss *mixer;
 };
 
+int snd_mixer_oss_ioctl_card(struct snd_card *card,
+                             unsigned int cmd, unsigned long arg);
+
 #endif /* CONFIG_SND_MIXER_OSS */
 
 #endif /* __SOUND_MIXER_OSS_H */