On Tue, Jan 21, 2020 at 10:14:20AM +0530, Rishi Gupta wrote:
> MCP2221 is a USB HID to I2C/SMbus host bridge device. This
> commit implements i2c and smbus host adapter support. 7-bit
> address and i2c multi-message transaction is also supported.
> 
> Signed-off-by: Rishi Gupta <gupt21@gmail.com>

My main concern is there are quite some limitations in mcp_i2c_xfer().
Looking at them, I think we should just drop it. This seems to be an
SMBus controller, not I2C. Or?