Changes

busnum=$(ls -l /sys/bus/i2c/devices/ | sed -ne

"/${dev_func}\/i2c_designware/ s/^.*i2c-\([[:digit:]]\{1,2\}\)$/\1/p")

busaddr=$(i2cdetect -y -r $busnum | sed -ne

's/^.*\(\(27\|4e\)\).*$/0x\1/Ip')

busaddr=$((busaddr))

printf "Device found @ 0x%x on bus %i\n" $busaddr $busnum