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-rw-r--r--sound/usb/Makefile1
-rw-r--r--sound/usb/caiaq/audio.h1
-rw-r--r--sound/usb/caiaq/control.h1
-rw-r--r--sound/usb/caiaq/device.h1
-rw-r--r--sound/usb/caiaq/input.h1
-rw-r--r--sound/usb/caiaq/midi.h1
-rw-r--r--sound/usb/card.h1
-rw-r--r--sound/usb/clock.h1
-rw-r--r--sound/usb/debug.h1
-rw-r--r--sound/usb/endpoint.h1
-rw-r--r--sound/usb/format.h1
-rw-r--r--sound/usb/helper.h1
-rw-r--r--sound/usb/line6/Makefile1
-rw-r--r--sound/usb/midi.h1
-rw-r--r--sound/usb/mixer.h1
-rw-r--r--sound/usb/mixer_quirks.h1
-rw-r--r--sound/usb/mixer_scarlett.h1
-rw-r--r--sound/usb/mixer_us16x08.h1
-rw-r--r--sound/usb/pcm.h1
-rw-r--r--sound/usb/power.h1
-rw-r--r--sound/usb/proc.h1
-rw-r--r--sound/usb/quirks.h1
-rw-r--r--sound/usb/stream.h1
-rw-r--r--sound/usb/usx2y/Makefile1
-rw-r--r--sound/usb/usx2y/us122l.h1
-rw-r--r--sound/usb/usx2y/usX2Yhwdep.h1
-rw-r--r--sound/usb/usx2y/usb_stream.h1
-rw-r--r--sound/usb/usx2y/usbusx2y.h1
-rw-r--r--sound/usb/usx2y/usx2yhwdeppcm.h1
29 files changed, 29 insertions, 0 deletions
diff --git a/sound/usb/Makefile b/sound/usb/Makefile
index 42cb33b94f6a..05440e2df8d9 100644
--- a/sound/usb/Makefile
+++ b/sound/usb/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for ALSA
#
diff --git a/sound/usb/caiaq/audio.h b/sound/usb/caiaq/audio.h
index bdf155300a8a..869bf6264d6a 100644
--- a/sound/usb/caiaq/audio.h
+++ b/sound/usb/caiaq/audio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CAIAQ_AUDIO_H
#define CAIAQ_AUDIO_H
diff --git a/sound/usb/caiaq/control.h b/sound/usb/caiaq/control.h
index 501c4883aef6..cb204fd45858 100644
--- a/sound/usb/caiaq/control.h
+++ b/sound/usb/caiaq/control.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CAIAQ_CONTROL_H
#define CAIAQ_CONTROL_H
diff --git a/sound/usb/caiaq/device.h b/sound/usb/caiaq/device.h
index ab0f7520a99b..50fea085765b 100644
--- a/sound/usb/caiaq/device.h
+++ b/sound/usb/caiaq/device.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CAIAQ_DEVICE_H
#define CAIAQ_DEVICE_H
diff --git a/sound/usb/caiaq/input.h b/sound/usb/caiaq/input.h
index 6014e2713a60..c42891e7be88 100644
--- a/sound/usb/caiaq/input.h
+++ b/sound/usb/caiaq/input.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CAIAQ_INPUT_H
#define CAIAQ_INPUT_H
diff --git a/sound/usb/caiaq/midi.h b/sound/usb/caiaq/midi.h
index 60bf3442b283..a6ae0c22484d 100644
--- a/sound/usb/caiaq/midi.h
+++ b/sound/usb/caiaq/midi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CAIAQ_MIDI_H
#define CAIAQ_MIDI_H
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 111b0f009afa..ed87cc83eb47 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_CARD_H
#define __USBAUDIO_CARD_H
diff --git a/sound/usb/clock.h b/sound/usb/clock.h
index d592e4a29856..87557cae1a0b 100644
--- a/sound/usb/clock.h
+++ b/sound/usb/clock.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_CLOCK_H
#define __USBAUDIO_CLOCK_H
diff --git a/sound/usb/debug.h b/sound/usb/debug.h
index 58030176f008..7dd983c35001 100644
--- a/sound/usb/debug.h
+++ b/sound/usb/debug.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_DEBUG_H
#define __USBAUDIO_DEBUG_H
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 584f295d7c77..63a39d4fa8d8 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_ENDPOINT_H
#define __USBAUDIO_ENDPOINT_H
diff --git a/sound/usb/format.h b/sound/usb/format.h
index 4b8a01129f24..8c3ff9ce0824 100644
--- a/sound/usb/format.h
+++ b/sound/usb/format.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_FORMAT_H
#define __USBAUDIO_FORMAT_H
diff --git a/sound/usb/helper.h b/sound/usb/helper.h
index 805c300dd004..4463e6d6dcb3 100644
--- a/sound/usb/helper.h
+++ b/sound/usb/helper.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_HELPER_H
#define __USBAUDIO_HELPER_H
diff --git a/sound/usb/line6/Makefile b/sound/usb/line6/Makefile
index b8b3b2a543d8..4ba98eb32119 100644
--- a/sound/usb/line6/Makefile
+++ b/sound/usb/line6/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
snd-usb-line6-y := \
capture.o \
driver.o \
diff --git a/sound/usb/midi.h b/sound/usb/midi.h
index 5e25a3fd6c1d..8c38aec22999 100644
--- a/sound/usb/midi.h
+++ b/sound/usb/midi.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBMIDI_H
#define __USBMIDI_H
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 545d99b09706..ba27f7ade670 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBMIXER_H
#define __USBMIXER_H
diff --git a/sound/usb/mixer_quirks.h b/sound/usb/mixer_quirks.h
index 177c329cd4dd..b5abd328a361 100644
--- a/sound/usb/mixer_quirks.h
+++ b/sound/usb/mixer_quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SND_USB_MIXER_QUIRKS_H
#define SND_USB_MIXER_QUIRKS_H
diff --git a/sound/usb/mixer_scarlett.h b/sound/usb/mixer_scarlett.h
index 19c592ab0332..bbf063b79370 100644
--- a/sound/usb/mixer_scarlett.h
+++ b/sound/usb/mixer_scarlett.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USB_MIXER_SCARLETT_H
#define __USB_MIXER_SCARLETT_H
diff --git a/sound/usb/mixer_us16x08.h b/sound/usb/mixer_us16x08.h
index a6312fb0f962..56ff16c0698f 100644
--- a/sound/usb/mixer_us16x08.h
+++ b/sound/usb/mixer_us16x08.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USB_MIXER_US16X08_H
#define __USB_MIXER_US16X08_H
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h
index df7a003682ad..35740d5ef268 100644
--- a/sound/usb/pcm.h
+++ b/sound/usb/pcm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_PCM_H
#define __USBAUDIO_PCM_H
diff --git a/sound/usb/power.h b/sound/usb/power.h
index 48ee51dcb71e..b2e25f60c5a2 100644
--- a/sound/usb/power.h
+++ b/sound/usb/power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_POWER_H
#define __USBAUDIO_POWER_H
diff --git a/sound/usb/proc.h b/sound/usb/proc.h
index a45b765e4cf1..72b1b2d28b44 100644
--- a/sound/usb/proc.h
+++ b/sound/usb/proc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_PROC_H
#define __USBAUDIO_PROC_H
diff --git a/sound/usb/quirks.h b/sound/usb/quirks.h
index 192ff5ce9452..b90c8b7caab5 100644
--- a/sound/usb/quirks.h
+++ b/sound/usb/quirks.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_QUIRKS_H
#define __USBAUDIO_QUIRKS_H
diff --git a/sound/usb/stream.h b/sound/usb/stream.h
index c97f679fc84f..d92e18d5818f 100644
--- a/sound/usb/stream.h
+++ b/sound/usb/stream.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_STREAM_H
#define __USBAUDIO_STREAM_H
diff --git a/sound/usb/usx2y/Makefile b/sound/usb/usx2y/Makefile
index 748933054b6c..cc4c2f1efab2 100644
--- a/sound/usb/usx2y/Makefile
+++ b/sound/usb/usx2y/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
snd-usb-usx2y-objs := usbusx2y.o usX2Yhwdep.o usx2yhwdeppcm.o
snd-usb-us122l-objs := us122l.o
diff --git a/sound/usb/usx2y/us122l.h b/sound/usb/usx2y/us122l.h
index 3e2a2d0041ee..34bea99d343c 100644
--- a/sound/usb/usx2y/us122l.h
+++ b/sound/usb/usx2y/us122l.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef US122L_H
#define US122L_H
diff --git a/sound/usb/usx2y/usX2Yhwdep.h b/sound/usb/usx2y/usX2Yhwdep.h
index c095d5bf1220..457199b5ed03 100644
--- a/sound/usb/usx2y/usX2Yhwdep.h
+++ b/sound/usb/usx2y/usX2Yhwdep.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef USX2YHWDEP_H
#define USX2YHWDEP_H
diff --git a/sound/usb/usx2y/usb_stream.h b/sound/usb/usx2y/usb_stream.h
index 90369001eab6..851358a8d709 100644
--- a/sound/usb/usx2y/usb_stream.h
+++ b/sound/usb/usx2y/usb_stream.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USB_STREAM_H
#define __USB_STREAM_H
diff --git a/sound/usb/usx2y/usbusx2y.h b/sound/usb/usx2y/usbusx2y.h
index 6ae6b0806938..e0f77172ce8f 100644
--- a/sound/usb/usx2y/usbusx2y.h
+++ b/sound/usb/usx2y/usbusx2y.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef USBUSX2Y_H
#define USBUSX2Y_H
#include "../usbaudio.h"
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.h b/sound/usb/usx2y/usx2yhwdeppcm.h
index 9c4fb84b2aa0..eb5a46466f0e 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.h
+++ b/sound/usb/usx2y/usx2yhwdeppcm.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#define MAXPACK 50
#define MAXBUFFERMS 100
#define MAXSTRIDE 3
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