pandora-scripts: unhardcode some sysfs paths

[openpandora.oe.git] / recipes / pandora-system / pandora-scripts / op_paths.sh

diff --git a/recipes/pandora-system/pandora-scripts/op_paths.sh b/recipes/pandora-system/pandora-scripts/op_paths.sh
new file mode 100644 (file)
index 0000000..418788f
--- /dev/null
+++ b/recipes/pandora-system/pandora-scripts/op_paths.sh
@@ -0,0 +1,21 @@
+
+# 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