linux-kernel - [Patch] thinkpad_acpi: fix a build error

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Message-Id: <20091218093132.4415.23424.sendpatchset@localhost.localdomain>
Date:	Fri, 18 Dec 2009 04:28:27 -0500
From:	Amerigo Wang <amwang@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Henrique de Moraes Holschuh <hmh@....eng.br>,
	Corentin Chary <corentincj@...aif.net>,
	ibm-acpi-devel@...ts.sourceforge.net,
	Len Brown <len.brown@...el.com>,
	Amerigo Wang <amwang@...hat.com>,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	akpm@...ux-foundation.org, helight.xu@...il.com
Subject: [Patch] thinkpad_acpi: fix a build error


This patch fixes the following build error:

 Building modules, stage 2.
 MODPOST 1834 modules
ERROR: "snd_card_create" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_notify" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_boolean_mono_info" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_new1" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_card_free" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_card_register" [drivers/platform/x86/thinkpad_acpi.ko] undefined!
ERROR: "snd_ctl_add" [drivers/platform/x86/thinkpad_acpi.ko] undefined!

Cc: Len Brown <len.brown@...el.com>
Cc: Corentin Chary <corentincj@...aif.net>
Cc: Henrique de Moraes Holschuh <hmh@....eng.br>
Cc: Alan Jenkins <alan-jenkins@...fmail.co.uk>
Reported-by: Helight.Xu <helight.xu@...il.com>
Signed-off-by: WANG Cong <amwang@...hat.com>
Tested-by: Helight.Xu <helight.xu@...il.com>

---
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index fc5bf9d..596966c 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -215,6 +215,7 @@ config THINKPAD_ACPI
 	depends on ACPI
 	depends on INPUT
 	depends on RFKILL || RFKILL = n
+	depends on SOUND
 	select BACKLIGHT_LCD_SUPPORT
 	select BACKLIGHT_CLASS_DEVICE
 	select HWMON
--
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