i2c-0 smbus SMBus I801 adapter at 1c20 SMBus adapter i2c-1 i2c nvkm-0000:01:00.0-bus-0000 I2C adapter i2c-2 i2c nvkm-0000:01:00.0-bus-0001 I2C adapter i2c-3 i2c nvkm-0000:01:00.0-bus-0002 I2C adapter