diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c
index e07d6072e75c95316b8dc551557c7769d898fa76..bf684f4212909a9d2d2040c432ab6a987730da96 100644
--- a/drivers/platform/x86/ideapad_acpi.c
+++ b/drivers/platform/x86/ideapad_acpi.c
@@ -326,10 +326,13 @@ MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
 
 static int ideapad_acpi_add(struct acpi_device *adevice)
 {
-	int i;
+	int i, cfg;
 	int devs_present[5];
 	struct ideapad_private *priv;
 
+	if (read_method_int(adevice->handle, "_CFG", &cfg))
+		return -ENODEV;
+
 	for (i = IDEAPAD_DEV_CAMERA; i < IDEAPAD_DEV_KILLSW; i++) {
 		devs_present[i] = ideapad_dev_exists(i);
 		if (devs_present[i] < 0)