License cleanup: add SPDX GPL-2.0 license identifier to files with no license

[mirror_ubuntu-bionic-kernel.git] / sound / usb / mixer.h

diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 545d99b09706b37cee252e08b75e43ced50e93d3..ba27f7ade670ea009dbb2fc2d0bf50fb581a73c6 100644 (file)
--- 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