On Thu, 23 Apr 2015, Ellen Wang wrote: > cp2112_i2c_xfer() only supports a single i2c_msg and only > reads up to 61 bytes. More than one message at a time > and longers reads just return errors. > > This is a serious limitation. For example, the at24 eeprom driver > generates paired write and read messages (for eeprom address and data). > And the reads can be quite large. The fix consists of a loop > to go through all the messages, and a loop around cp2112_read() > to pick up all the returned data. For extra credit, it now also > supports write-read pairs and implements them as > CP2112_DATA_WRITE_READ_REQUEST. > > Signed-off-by: Ellen Wang <ellen@xxxxxxxxxxxxxxxxxxx> David, could you please provide your Reviewed-by: / Acked-by: for this patch? Thanks, -- Jiri Kosina SUSE Labs -- 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
