Pull bay into test branch

diff --combined drivers/acpi/Kconfig
index 50e295b,b4bb000..1422a11
--- 1/drivers/acpi/Kconfig
--- 2/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@@ -107,7 -107,7 +107,7 @@@ config ACPI_BUTTO
  
  config ACPI_VIDEO
        tristate "Video"
 -      depends on X86
 +      depends on X86 && BACKLIGHT_CLASS_DEVICE
        help
          This driver implement the ACPI Extensions For Display Adapters
          for integrated graphics devices on motherboard, as specified in
@@@ -139,6 -139,13 +139,13 @@@ config ACPI_DOC
        help
          This driver adds support for ACPI controlled docking stations
  
+ config ACPI_BAY
+       tristate "Removable Drive Bay (EXPERIMENTAL)"
+       depends on EXPERIMENTAL
+       help
+         This driver adds support for ACPI controlled removable drive
+         bays such as the IBM ultrabay or the Dell Module Bay.
+ 
  config ACPI_PROCESSOR
        tristate "Processor"
        default y