linux-kernel - [PATCH 3/7] staging: olpc_dcon: add a missing dependency

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Message-Id: <20181214221023.3878670-4-arnd@arndb.de>
Date:   Fri, 14 Dec 2018 23:10:08 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jens Frederich <jfrederich@...il.com>,
        Daniel Drake <dsd@...top.org>
Cc:     stable@...r.kernel.org, Lubomir Rintel <lkundrak@...sk>,
        Arnd Bergmann <arnd@...db.de>, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] staging: olpc_dcon: add a missing dependency

From: Lubomir Rintel <lkundrak@...sk>

Commit 33f49571d75024b1044cd02689ad2bdb4924cc80 upstream.

  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@...sk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/staging/olpc_dcon/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig
index c91a56f77bcb..192cc8d0853f 100644
--- 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
-- 
2.20.0