From: Randy Dunlap <[email protected]>

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 <[email protected]>
Cc: Chris Ball <[email protected]>
Cc: Jon Nettleton <[email protected]>
Acked-By: Andres Salomon <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/staging/olpc_dcon/Kconfig |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/olpc_dcon/Kconfig 
b/drivers/staging/olpc_dcon/Kconfig
index acb0a79..f1082f5 100644
--- a/drivers/staging/olpc_dcon/Kconfig
+++ b/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
-- 
1.7.4.1

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