diff --git a/sound/soc/codecs/88pm860x-codec.c b/sound/soc/codecs/88pm860x-codec.c
index 75d0ad5d2dcb..647a72cda005 100644
--- a/sound/soc/codecs/88pm860x-codec.c
+++ b/sound/soc/codecs/88pm860x-codec.c
@@ -1328,6 +1328,9 @@ static int pm860x_probe(struct snd_soc_codec *codec)
 	pm860x->codec = codec;
 
 	codec->control_data = pm860x->regmap;
+	ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < 4; i++) {
 		ret = request_threaded_irq(pm860x->irq[i], NULL,
diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c
index 52e7cb08434b..fa2b8e07f420 100644
--- a/sound/soc/codecs/si476x.c
+++ b/sound/soc/codecs/si476x.c
@@ -210,7 +210,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
 static int si476x_codec_probe(struct snd_soc_codec *codec)
 {
 	codec->control_data = dev_get_regmap(codec->dev->parent, NULL);
-	return 0;
+	return snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
 }
 
 static struct snd_soc_dai_ops si476x_dai_ops = {
diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c
index 3fde9e402710..d163e18d85d4 100644
--- a/sound/soc/omap/n810.c
+++ b/sound/soc/omap/n810.c
@@ -305,7 +305,9 @@ static int __init n810_soc_init(void)
 	int err;
 	struct device *dev;
 
-	if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax()))
+	if (!of_have_populated_dt() ||
+	    (!of_machine_is_compatible("nokia,n810") &&
+	     !of_machine_is_compatible("nokia,n810-wimax")))
 		return -ENODEV;
 
 	n810_snd_device = platform_device_alloc("soc-audio", -1);