diff --git a/sound/soc/codecs/max9860.c b/sound/soc/codecs/max9860.c
index c1bd9de5e4a3f6bb5f65e7da2709b1c65f952d8b..de3d44e9199b03c3c2afa5a46aedcdc0c505c329 100644
--- a/sound/soc/codecs/max9860.c
+++ b/sound/soc/codecs/max9860.c
@@ -1,23 +1,14 @@
-/*
- * Driver for the MAX9860 Mono Audio Voice Codec
- *
- * https://datasheets.maximintegrated.com/en/ds/MAX9860.pdf
- *
- * The driver does not support sidetone since the DVST register field is
- * backwards with the mute near the maximum level instead of the minimum.
- *
- * Author: Peter Rosin <peda@axentia.s>
- *         Copyright 2016 Axentia Technologies
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
+// SPDX-License-Identifier: GPL-2.0
+//
+// Driver for the MAX9860 Mono Audio Voice Codec
+//
+// https://datasheets.maximintegrated.com/en/ds/MAX9860.pdf
+//
+// The driver does not support sidetone since the DVST register field is
+// backwards with the mute near the maximum level instead of the minimum.
+//
+// Author: Peter Rosin <peda@axentia.s>
+//         Copyright 2016 Axentia Technologies
 
 #include <linux/init.h>
 #include <linux/module.h>
diff --git a/sound/soc/codecs/max9860.h b/sound/soc/codecs/max9860.h
index 22041bd67a7d2a582bc5a964b56f6b5025d7686c..e07b905eaf50e12bffc2a0b553feba26446efbfc 100644
--- a/sound/soc/codecs/max9860.h
+++ b/sound/soc/codecs/max9860.h
@@ -1,17 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Driver for the MAX9860 Mono Audio Voice Codec
  *
  * Author: Peter Rosin <peda@axentia.s>
  *         Copyright 2016 Axentia Technologies
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
  */
 
 #ifndef _SND_SOC_MAX9860