ACPI: Adds backlight sysfs support for acpi video driver.
Adds backlight sysfs support for acpi video driver.
signed-off-by: Luming Yu <Luming.yu@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 6f8c50e..e3f77e2 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -106,7 +106,7 @@
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