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#!/bin/sh
for eeprom in /sys/bus/i2c/devices/3-005*/eeprom ; do
PARTNUMBER=$(hexdump -e '8/1 "%c"' $eeprom -s 58 -n16)
case $PARTNUMBER in
"BB-BONE-LCD3-01.")
echo "Turning off backlight for LCD3 cape"
i2cset -f -y 1 0x24 0x07 0x00;;
"BB-BONE-LCD4"*)
echo "Turning off backlight for LCD4 cape"
i2cset -f -y 1 0x24 0x07 0x00;;
*)
echo "unknown cape: $PARTNUMBER";;
esac
done
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