+
+# 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