i2c-0 smbus SMBus I801 adapter at 4000 SMBus adapter i2c-1 i2c i915 gmbus ssc I2C adapter i2c-2 i2c i915 gmbus vga I2C adapter i2c-3 i2c i915 gmbus panel I2C adapter i2c-4 i2c i915 gmbus dpc I2C adapter i2c-5 i2c i915 gmbus dpb I2C adapter i2c-6 i2c i915 gmbus dpd I2C adapter