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-rw-r--r--sound/drivers/pcsp/pcsp_mixer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c
index f1e1defc09b1..be2990451bcd 100644
--- a/sound/drivers/pcsp/pcsp_mixer.c
+++ b/sound/drivers/pcsp/pcsp_mixer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* PC-Speaker driver for Linux
*