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Message-ID: <521636FF.7090008@infradead.org>
Date: Thu, 22 Aug 2013 09:06:23 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: LKML <linux-kernel@...r.kernel.org>,
Platform Driver <platform-driver-x86@...r.kernel.org>
CC: Corentin Chary <corentin.chary@...il.com>,
Fengguang Wu <fengguang.wu@...el.com>,
Matthew Garrett <matthew.garrett@...ula.com>
Subject: [PATCH] samsung-laptop: fix config build error
From: Randy Dunlap <rdunlap@...radead.org>
Fix build failure when ACPI_VIDEO=m and SAMSUNG_LAPTOP=y.
The patch prevents that specific config combination.
drivers/built-in.o: In function `samsung_init':
samsung-laptop.c:(.init.text+0x128ff): undefined reference to `acpi_video_unregister'
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: Fengguang Wu <fengguang.wu@...el.com>
Cc: Corentin Chary <corentin.chary@...il.com>
build testing:
ACPI_VIDEO=m, SAMSUNG_LAPTOP=m: OK
ACPI_VIDEO=y, SAMSUNG_LAPTOP=m: OK
ACPI_VIDEO=y, SAMSUNG_LAPTOP=y: OK
ACPI=n, SAMSUNG_LAPTOP=y: OK
ACPI=n, SAMSUNG_LAPTOP=m: OK
---
drivers/platform/x86/Kconfig | 1 +
1 file changed, 1 insertion(+)
--- linux-next-20130820.orig/drivers/platform/x86/Kconfig
+++ linux-next-20130820/drivers/platform/x86/Kconfig
@@ -732,6 +732,7 @@ config SAMSUNG_LAPTOP
tristate "Samsung Laptop driver"
depends on X86
depends on RFKILL || RFKILL = n
+ depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on BACKLIGHT_CLASS_DEVICE
select LEDS_CLASS
select NEW_LEDS
--
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