From b4a1ed0cd18b771e4279b4eb9cf39b565560eea6 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@gmail.com>
Date: Thu, 20 Dec 2018 19:13:07 +0100
Subject: fbdev: make FB_BACKLIGHT a tristate

BACKLIGHT_CLASS_DEVICE is already tristate, but a dependency
FB_BACKLIGHT prevents it from being built as a module.  There
doesn't seem to be any particularly good reason for this, so
switch FB_BACKLIGHT over to tristate.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ulf Magnusson <ulfalizer@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Hans de Goede <j.w.r.degoede@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
 include/linux/fb.h      | 2 +-
 include/uapi/linux/fb.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

(limited to 'include')

diff --git a/include/linux/fb.h b/include/linux/fb.h
index a3cab6dc9b44..7cdd31a69719 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -485,7 +485,7 @@ struct fb_info {
 	struct list_head modelist;      /* mode list */
 	struct fb_videomode *mode;	/* current mode */
 
-#ifdef CONFIG_FB_BACKLIGHT
+#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
 	/* assigned backlight device */
 	/* set before framebuffer registration, 
 	   remove after unregister */
diff --git a/include/uapi/linux/fb.h b/include/uapi/linux/fb.h
index 6cd9b198b7c6..b6aac7ee1f67 100644
--- a/include/uapi/linux/fb.h
+++ b/include/uapi/linux/fb.h
@@ -393,11 +393,9 @@ struct fb_cursor {
 	struct fb_image	image;	/* Cursor image */
 };
 
-#ifdef CONFIG_FB_BACKLIGHT
 /* Settings for the generic backlight code */
 #define FB_BACKLIGHT_LEVELS	128
 #define FB_BACKLIGHT_MAX	0xFF
-#endif
 
 
 #endif /* _UAPI_LINUX_FB_H */
-- 
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