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-rw-r--r--include/linux/pwm_backlight.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index efdd9227a49c..e8afbd71a140 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Generic PWM backlight driver data - see drivers/video/backlight/pwm_bl.c
*/