Hi Uwe, > The reason I used wolfram@... is probably: Looking up MAINTAINERS would have done it :) > Ah, ok. But then there is a different problem: Even though "my" driver > only advertises I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL calling > i2c_smbus_read_block_data in userspace results in .master_xfer being > called with I2C_M_RECV_LEN set. >From Documentation/i2c/functionality: Because not every I2C or SMBus adapter implements everything in the I2C specifications, a client can not trust that everything it needs is implemented when it is given the option to attach to an adapter: the client needs some way to check whether an adapter has the needed functionality... Regards, Wolfram -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html