ASoC: Staticise non-exported symbols in sta32x

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NJohannes Stezenbach <js@sig21.net>

sound/soc/codecs/sta32x.c

@@ -265,7 +265,7 @@ static int sta32x_coefficient_put(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
-int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
+static int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
 {
 	struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
 	unsigned int cfud;
@@ -290,7 +290,7 @@ int sta32x_sync_coef_shadow(struct snd_soc_codec *codec)
 	return 0;
 }
 
-int sta32x_cache_sync(struct snd_soc_codec *codec)
+static int sta32x_cache_sync(struct snd_soc_codec *codec)
 {
 	unsigned int mute;
 	int rc;