acpi_video: kernel build error if !INPUT

Commit e9dab1960ac9746fa34eff726b81635147615a79
(ACPI video hotkey: export missing ACPI video hotkey events via input layer)
exports ACPI video hotkey events via input layer. But this breaks kernel
build if ACPI_VIDEO && !INPUT:

 LD      .tmp_vmlinux1
drivers/built-in.o: In function `acpi_video_bus_remove':
drivers/acpi/video.c:2007: undefined reference to `input_unregister_device'
    ...

Signed-off-by: Andreas Herrmann <aherrman@arcor.de>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 4875f01..9685b75 100644 (file)
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -117,6 +117,7 @@ config ACPI_BUTTON
 config ACPI_VIDEO
        tristate "Video"
        depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL
+       depends on INPUT
        help
          This driver implement the ACPI Extensions For Display Adapters
          for integrated graphics devices on motherboard, as specified in