Get the adapter functionality mask
I2C_M_NOSTART
I2C_M_IGNORE_NAK etc.
SMBus 2.0
I2C-like block xfer
w/ 1-byte reg. addr.
if I2C_FUNC_PROTOCOL_MANGLING
if I2C_FUNC_NOSTART
if I2C_FUNC_PROTOCOL_MANGLING
read data, from slave to master
length will be first received byte
if I2C_FUNC_PROTOCOL_MANGLING
if I2C_FUNC_PROTOCOL_MANGLING
this is a ten bit chip address
!= 0 to use PEC with SMBus
Combined R/W transfer (one STOP only)
number of times a device address should be polled when not acknowledging
Use this slave address
Use this slave address, even if it is already in use by a driver!
SMBus transfer
As specified in SMBus standard
SMBus 2.0
0 for 7 bit addrs, != 0 for 10 bit
set timeout in units of 10 ms