#!/system/bin/sh

if [ "a$3" == "a" ]; then
	evalcmd='eval "echo \$CPUVOLT$2"';
	eval $evalcmd;
else
	evalcmd='eval "CPUVOLT$2=$3"';
	eval $evalcmd;
	evalcmd='eval "echo \$CPUVOLT$2"';
	eval $evalcmd;
		echo "200000 $CPUVOLT6" > /sys/devices/system/cpu/cpu0/cpufreq/vdd_levels;
		echo "500000 $CPUVOLT5" > /sys/devices/system/cpu/cpu0/cpufreq/vdd_levels;
		echo "800000 $CPUVOLT4" > /sys/devices/system/cpu/cpu0/cpufreq/vdd_levels;
		echo "1000000 $CPUVOLT3" > /sys/devices/system/cpu/cpu0/cpufreq/vdd_levels;
		echo "1200000 $CPUVOLT2" > /sys/devices/system/cpu/cpu0/cpufreq/vdd_levels;
		echo "1400000 $CPUVOLT1" > /sys/devices/system/cpu/cpu0/cpufreq/vdd_levels;
fi;

https://github.com/gustavoss/android_kernel_samsung_smdk4412/blob/linux-3.0.y/usr/galaxys2_initramfs_files/res/customconfig/actions/cpu-voltage