From 33f49571d75024b1044cd02689ad2bdb4924cc80 Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Tue, 18 Sep 2018 14:36:20 +0200
Subject: [PATCH] staging: olpc_dcon: add a missing dependency
Git-commit: 33f49571d75024b1044cd02689ad2bdb4924cc80
Patch-mainline: v4.20-rc1
References: git-fixes

  WARNING: unmet direct dependencies detected for BACKLIGHT_CLASS_DEVICE
    Depends on [n]: HAS_IOMEM [=y] && BACKLIGHT_LCD_SUPPORT [=n]
    Selected by [y]:
    - FB_OLPC_DCON [=y] && STAGING [=y] && X86 [=y] && OLPC [=y] && FB [=y]
                        && I2C [=y] && (GPIO_CS5535 [=n] || GPIO_CS5535 [=n]=n)

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/staging/olpc_dcon/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/staging/olpc_dcon/Kconfig
+++ b/drivers/staging/olpc_dcon/Kconfig
@@ -2,6 +2,7 @@ config FB_OLPC_DCON
 	tristate "One Laptop Per Child Display CONtroller support"
 	depends on OLPC && FB
 	depends on I2C
+	depends on BACKLIGHT_LCD_SUPPORT
 	depends on (GPIO_CS5535 || GPIO_CS5535=n)
 	select BACKLIGHT_CLASS_DEVICE
 	---help---