5 files changed, 5 insertions, 0 deletions
diff --git a/sound/aoa/codecs/Makefile b/sound/aoa/codecs/Makefile
index c3ee77fc4b2d..95f4c3849d55 100644
--- a/sound/aoa/codecs/Makefile
+++ b/sound/aoa/codecs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 snd-aoa-codec-onyx-objs := onyx.o
 snd-aoa-codec-tas-objs := tas.o
 snd-aoa-codec-toonie-objs := toonie.o
diff --git a/sound/aoa/codecs/tas-basstreble.h b/sound/aoa/codecs/tas-basstreble.h
index 69b61136fd54..770935af66af 100644
--- a/sound/aoa/codecs/tas-basstreble.h
+++ b/sound/aoa/codecs/tas-basstreble.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This file is only included exactly once!
  *
diff --git a/sound/aoa/codecs/tas-gain-table.h b/sound/aoa/codecs/tas-gain-table.h
index 4cfa6757715e..77b8e7dc55fd 100644
--- a/sound/aoa/codecs/tas-gain-table.h
+++ b/sound/aoa/codecs/tas-gain-table.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  This is the program used to generate below table.
 
diff --git a/sound/aoa/core/Makefile b/sound/aoa/core/Makefile
index a1596e88c718..056d69683b1e 100644
--- a/sound/aoa/core/Makefile
+++ b/sound/aoa/core/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_SND_AOA) += snd-aoa.o
 snd-aoa-objs := core.o \
 		alsa.o \
diff --git a/sound/aoa/soundbus/sysfs.c b/sound/aoa/soundbus/sysfs.c
index 5b2d51d99768..81da020bddef 100644
--- a/sound/aoa/soundbus/sysfs.c
+++ b/sound/aoa/soundbus/sysfs.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
 #include <linux/stat.h>
 /* FIX UP */