linux/qemu_debug: -BACKLIGHT

There is no backlight to control under QEMU.

linux/conf/qemu_debug.conf

@@ -394,7 +394,6 @@ CONFIG_ACPI_LPIT=y
 CONFIG_ACPI_AC=y
 CONFIG_ACPI_BATTERY=y
 CONFIG_ACPI_BUTTON=y
-CONFIG_ACPI_VIDEO=y
 CONFIG_ACPI_FAN=y
 # CONFIG_ACPI_DOCK is not set
 CONFIG_ACPI_CPU_FREQ_PSS=y
@@ -1702,19 +1701,7 @@ CONFIG_FB_MODE_HELPERS=y
 # CONFIG_FB_MB862XX is not set
 # CONFIG_FB_SIMPLE is not set
 # CONFIG_FB_SM712 is not set
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
-# CONFIG_LCD_CLASS_DEVICE is not set
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
-# CONFIG_BACKLIGHT_GENERIC is not set
-# CONFIG_BACKLIGHT_APPLE is not set
-# CONFIG_BACKLIGHT_PM8941_WLED is not set
-# CONFIG_BACKLIGHT_SAHARA is not set
-# CONFIG_BACKLIGHT_ADP8860 is not set
-# CONFIG_BACKLIGHT_ADP8870 is not set
-# CONFIG_BACKLIGHT_LM3639 is not set
-# CONFIG_BACKLIGHT_LV5207LP is not set
-# CONFIG_BACKLIGHT_BD6107 is not set
-# CONFIG_BACKLIGHT_ARCXCNN is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 CONFIG_HDMI=y
 
 #