#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>

main()
{
if(setuid(0)) perror("cannot setuid 0");

int p;
if(fork()) wait(&p); else execl("/usr/bin/killall","killall","-9","fmtxd",NULL);
if(p<0) {perror("cannot killall -9 fmtxd:"); exit(1);}

FILE *f;
f=fopen("/sys/class/i2c-adapter/i2c-2/2-0063/tone_deviation","w");
if(!f) perror("cannot open /sys/class/i2c-adapter/i2c-2/2-0063/tone_deviation:");
else
	{
	fprintf(f,"0\n");
	fclose(f);
	}

}