i2c_smbus_process_call(9) suse man page | unix.com

I2C_SMBUS_PROCESS_CA(9) 				      I2C and SMBus Subsystem					   I2C_SMBUS_PROCESS_CA(9)

NAME
       i2c_smbus_process_call - SMBus "process call" protocol

SYNOPSIS
       s32 i2c_smbus_process_call(struct i2c_client * client, u8 command, u16 value);

ARGUMENTS
       client
	   Handle to slave device

       command
	   Byte interpreted by slave

       value
	   16-bit "word" being written

DESCRIPTION
       This executes the SMBus "process call" protocol, returning negative errno else a 16-bit unsigned "word" received from the device.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						   I2C_SMBUS_PROCESS_CA(9)