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Diffstat (limited to 'include/dt-bindings/sound/audio-jack-events.h')
-rw-r--r--include/dt-bindings/sound/audio-jack-events.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/dt-bindings/sound/audio-jack-events.h b/include/dt-bindings/sound/audio-jack-events.h
index 378349f28069..1b29b295126a 100644
--- a/include/dt-bindings/sound/audio-jack-events.h
+++ b/include/dt-bindings/sound/audio-jack-events.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __AUDIO_JACK_EVENTS_H
#define __AUDIO_JACK_EVENTS_H