apple-gmux: Fix kconfig dependencies

Fix the dependencies of apple-gmux to prevent it from being built-in
when one or more of its dependencies is built as a module. Otherwise it
can fail to build due to missing symbols.

v2: Add dependency on ACPI to fix build failure when ACPI=n

Reported-by: Arun Raghavan <arun.raghavan@collabora.co.uk>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 2a262f5..637074d 100644 (file)
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -758,8 +758,11 @@ config SAMSUNG_Q10
 
 config APPLE_GMUX
        tristate "Apple Gmux Driver"
+       depends on ACPI
        depends on PNP
-       select BACKLIGHT_CLASS_DEVICE
+       depends on BACKLIGHT_CLASS_DEVICE
+       depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE
+       depends on ACPI_VIDEO=n || ACPI_VIDEO
        ---help---
          This driver provides support for the gmux device found on many
          Apple laptops, which controls the display mux for the hybrid