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-rw-r--r--sound/oss/midi_synth.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/oss/midi_synth.h b/sound/oss/midi_synth.h
index b64ddd6c4abc..1cf676c7510e 100644
--- a/sound/oss/midi_synth.h
+++ b/sound/oss/midi_synth.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
int midi_synth_ioctl (int dev,
unsigned int cmd, void __user * arg);
int midi_synth_kill_note (int dev, int channel, int note, int velocity);