table of contents
| I2C_SMBUS_XFER(9) | I2C and SMBus Subsystem | I2C_SMBUS_XFER(9) |
NAME¶
i2c_smbus_xfer - execute SMBus protocol operations
SYNOPSIS¶
s32 i2c_smbus_xfer(struct i2c_adapter * adapter, u16 addr, unsigned short flags, char read_write, u8 command, int protocol, union i2c_smbus_data * data);
ARGUMENTS¶
adapter
Handle to I2C bus
addr
Address of SMBus slave on that bus
flags
I2C_CLIENT_* flags (usually zero or I2C_CLIENT_PEC)
read_write
I2C_SMBUS_READ or I2C_SMBUS_WRITE
command
Byte interpreted by slave, for protocols which use such
bytes
protocol
SMBus protocol operation to execute, such as
I2C_SMBUS_PROC_CALL
data
Data to be read or written
DESCRIPTION¶
This executes an SMBus protocol operation, and returns a negative errno code else zero on success.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |