Say Y here to enable Macintosh specific extensions of the generic
backlight code. With this enabled, the brightness keys on older
PowerBooks will be enabled so you can change the screen brightness.
- Newer models should use an userspace daemon like pbbuttonsd.
+ Newer models should use a userspace daemon like pbbuttonsd.
config PMAC_BACKLIGHT_LEGACY
bool "Provide legacy ioctl's on /dev/pmu for the backlight"