1 2 #include <linux/init.h> 3 4 /* High level I2C actions */ 5 int __init i2c_init(void); 6 int i2c_write(unsigned char theSlave, void *data, size_t nbytes); 7 int i2c_read(unsigned char theSlave, void *data, size_t nbytes); 8 int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue); 9 unsigned char i2c_readreg(unsigned char theSlave, unsigned char theReg); 10 11 /* Low level I2C */ 12 void i2c_start(void); 13 void i2c_stop(void); 14 void i2c_outbyte(unsigned char x); 15 unsigned char i2c_inbyte(void); 16 int i2c_getack(void); 17 void i2c_sendack(void); 18