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-rw-r--r--sound/pci/oxygen/oxygen.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index 293d0b9a50c3..06bf7e5744d0 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/sound/pci/oxygen/oxygen.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef OXYGEN_H_INCLUDED
#define OXYGEN_H_INCLUDED