7 files changed, 7 insertions, 0 deletions
diff --git a/sound/drivers/Makefile b/sound/drivers/Makefile
index 1a8440c..615558a 100644
--- a/sound/drivers/Makefile
+++ b/sound/drivers/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/opl3/Makefile b/sound/drivers/opl3/Makefile
index d72b1e7..83bca9f 100644
--- a/sound/drivers/opl3/Makefile
+++ b/sound/drivers/opl3/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/opl4/Makefile b/sound/drivers/opl4/Makefile
index c8eaa43..6e86a40 100644
--- a/sound/drivers/opl4/Makefile
+++ b/sound/drivers/opl4/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for ALSA
 # Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/drivers/pcsp/pcsp.h b/sound/drivers/pcsp/pcsp.h
index fc7a2dc..036ad3c 100644
--- a/sound/drivers/pcsp/pcsp.h
+++ b/sound/drivers/pcsp/pcsp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PC-Speaker driver for Linux
  *
diff --git a/sound/drivers/pcsp/pcsp_input.h b/sound/drivers/pcsp/pcsp_input.h
index d692749..e80079b 100644
--- a/sound/drivers/pcsp/pcsp_input.h
+++ b/sound/drivers/pcsp/pcsp_input.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * PC-Speaker driver for Linux
  *
diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c
index 2f5a35f..8f0f05bb 100644
--- a/sound/drivers/pcsp/pcsp_lib.c
+++ b/sound/drivers/pcsp/pcsp_lib.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * PC-Speaker driver for Linux
  *
diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c
index f1e1def..be29904 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
  *