[PATCH -next] staging: fix olpc_dcon kconfig and build errors

[Randy Dunlap]

From: Randy Dunlap <randy.dunlap@xxxxxxxxxx>

drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c:106: error: 'acpi_gbl_FADT' undeclared (first use in this function)

Fixing that one gives:

ERROR: "backlight_device_register" [drivers/staging/olpc_dcon/olpc-dcon.ko] undefined!
ERROR: "registered_fb" [drivers/staging/olpc_dcon/olpc-dcon.ko] undefined!
ERROR: "lock_fb_info" [drivers/staging/olpc_dcon/olpc-dcon.ko] undefined!
ERROR: "backlight_device_unregister" [drivers/staging/olpc_dcon/olpc-dcon.ko] undefined!
ERROR: "num_registered_fb" [drivers/staging/olpc_dcon/olpc-dcon.ko] undefined!
ERROR: "fb_blank" [drivers/staging/olpc_dcon/olpc-dcon.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <greg@xxxxxxxxx>
Cc: Andres Salomon <dilinger@xxxxxxxxxx>
Cc: Chris Ball <cjb@xxxxxxxxxx>
Cc: Jon Nettleton <jon.nettleton@xxxxxxxxx>
---
 drivers/staging/olpc_dcon/Kconfig |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux-next-20110221.orig/drivers/staging/olpc_dcon/Kconfig
+++ linux-next-20110221/drivers/staging/olpc_dcon/Kconfig
@@ -1,6 +1,6 @@
 config FB_OLPC_DCON
 	tristate "One Laptop Per Child Display CONtroller support"
-	depends on OLPC
+	depends on OLPC && FB
 	select I2C
 	---help---
 	  Add support for the OLPC XO DCON controller.  This controller is
@@ -19,7 +19,7 @@ config FB_OLPC_DCON_1
 
 config FB_OLPC_DCON_1_5
 	bool "OLPC XO-1.5 DCON support"
-	depends on FB_OLPC_DCON
+	depends on FB_OLPC_DCON && ACPI
 	default y
 	---help---
 	  Enable support for the DCON in XO-1.5 model laptops.  The kernel
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