diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index d51ca0428bb8..f191a1f901ac 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -166,6 +166,7 @@ static int __init dmi_checksum(const u8 *buf, u8 len)
 static const char *dmi_ident[DMI_STRING_MAX];
 static LIST_HEAD(dmi_devices);
 int dmi_available;
+EXPORT_SYMBOL_GPL(dmi_available);
 
 /*
  *	Save a DMI string
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 16ba54eb8164..c7e4600b2dd4 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1574,7 +1574,7 @@ int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour)
 	if (card->long_name)
 		return 0; /* long name already set by driver or from DMI */
 
-	if (!is_acpi_device_node(card->dev->fwnode))
+	if (!dmi_available)
 		return 0;
 
 	/* make up dmi long name as: vendor-product-version-board */