[PATCH] powerpc: include linux/backlight.h from asm/backlight.h

[Jani Nikula]

Removal of the backlight include from fb.h uncovered an implicit
dependency in powerpc asm/backlight.h. Add the explicit include.

Reported-by: Naresh Kamboju <naresh.kamboju at linaro.org>
Closes: https://lore.kernel.org/r/CA+G9fYsAk5TbqqxFC2W4oHLGA0CbTHMxbeq8QayFXTU75YiueA@mail.gmail.com
Fixes: 11b4eedfc87d ("fbdev: Do not include <linux/backlight.h> in header")
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: Helge Deller <deller at gmx.de>
Cc: linux-fbdev at vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula at intel.com>

---

Not even compile tested!
---
 arch/powerpc/include/asm/backlight.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/include/asm/backlight.h b/arch/powerpc/include/asm/backlight.h
index 1b5eab62ed04..275d5bb9aa04 100644
--- a/arch/powerpc/include/asm/backlight.h
+++ b/arch/powerpc/include/asm/backlight.h
@@ -10,6 +10,7 @@
 #define __ASM_POWERPC_BACKLIGHT_H
 #ifdef __KERNEL__
 
+#include <linux/backlight.h>
 #include <linux/fb.h>
 #include <linux/mutex.h>
 
-- 
2.39.2