1 2#include <linux/init.h> 3 4/* High level I2C actions */ 5int __init i2c_init(void); 6int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue); 7unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg); 8 9/* Low level I2C */ 10void i2c_start(void); 11void i2c_stop(void); 12void i2c_outbyte(unsigned char x); 13unsigned char i2c_inbyte(void); 14int i2c_getack(void); 15void i2c_sendack(void); 16