If you have a HP Jornada 680, say y to enable the
backlight driver.
+config BACKLIGHT_OMAP
+ tristate "OMAP LCD Backlight"
+ depends on BACKLIGHT_CLASS_DEVICE && (ARCH_OMAP1 || ARCH_OMAP2)
+ default y
+ help
+ This driver controls the LCD backlight level and power
+ for the PWL module of OMAP processors. Say Y if you plan
+ to use power saving.
+
config BACKLIGHT_PROGEAR
tristate "Frontpath ProGear Backlight Driver"
depends on BACKLIGHT_CLASS_DEVICE && PCI && X86