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-rw-r--r--sound/hda/hdac_controller.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index c24fc8d266a9..3b0110545070 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HD-audio controller helpers
*/