Merge branch 'cpuinit-delete' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg...

[firefly-linux-kernel-4.4.55.git] / sound / soc / soc-core.c

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4489c5b7b53a381f701600dc0c39414a988fe0a7..0ec070cf7231ebcc39a057061af8995d7f7574ff 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2080,6 +2080,23 @@ int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 }
 EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
 
+struct snd_ac97_bus_ops *soc_ac97_ops;
+EXPORT_SYMBOL_GPL(soc_ac97_ops);
+
+int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
+{
+       if (ops == soc_ac97_ops)
+               return 0;
+
+       if (soc_ac97_ops && ops)
+               return -EBUSY;
+
+       soc_ac97_ops = ops;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops);
+
 /**
  * snd_soc_free_ac97_codec - free AC97 codec device
  * @codec: audio codec