I2C_SMBUS_PROCESS_CA(9) I2C and SMBus Subsystem I2C_SMBUS_PROCESS_CA(9)NAMEi2c_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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 I2C_SMBUS_PROCESS_CA(9)