# files changing between kernel versions if [ -e /sys/class/backlight/pandora-backlight ]; then SYSFS_BACKLIGHT=/sys/class/backlight/pandora-backlight elif [ -e /sys/class/backlight/twl4030-pwm0-bl ]; then SYSFS_BACKLIGHT=/sys/class/backlight/twl4030-pwm0-bl else echo "ERROR: backlight control not found" >&2 SYSFS_BACKLIGHT=/dev/null fi SYSFS_BACKLIGHT_BRIGHTNESS=${SYSFS_BACKLIGHT}/brightness if [ -e /sys/devices/omapdss/display0/gamma ]; then SYSFS_GAMMA=/sys/devices/omapdss/display0/gamma elif [ -e /sys/devices/platform/omap2_mcspi.1/spi1.1/gamma ]; then SYSFS_GAMMA=/sys/devices/platform/omap2_mcspi.1/spi1.1/gamma else echo "ERROR: gamma control not found" >&2 SYSFS_GAMMA=/dev/null fi