1 files changed, 10 insertions, 0 deletions
diff --git a/src/device/root_device.c b/src/device/root_device.c
index 7ff10ae844..ed1f7d7bfc 100644
--- a/src/device/root_device.c
+++ b/src/device/root_device.c
@@ -130,6 +130,13 @@ static void root_dev_reset(struct bus *bus)
 	hard_reset();
 }
 
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+static const char *root_dev_acpi_name(struct device *dev)
+{
+	return "\\_SB";
+}
+#endif
+
 /**
  * Default device operation for root device.
  *
@@ -144,4 +151,7 @@ struct device_operations default_dev_ops_root = {
 	.init             = DEVICE_NOOP,
 	.scan_bus         = root_dev_scan_bus,
 	.reset_bus        = root_dev_reset,
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+	.acpi_name        = root_dev_acpi_name,
+#endif
 };