On Fri, Jan 23, 2009 at 10:23:05AM +0100, Peter Korsgaard wrote: > >>>>> "Jean" == Jean Delvare <khali@xxxxxxxxxxxx> writes: > > Hi, > > Jean> Oh, and please stop calling the thing "virtual i2c adapter support". > Jean> These adapters are very real. What you are working on is better > Jean> described as "i2c bus multiplexing support". > > Not only that, it's afaik about doing i2c bus multiplexing where the > multiplexers are themselves i2c devices - E.G. stuff where you might > need to recursively call into the i2c core. I did exactly as you say. I have a custom board with a PCA9540 which is a i2c multiplexer controlled by i2c bus. > I have been doing i2c multiplexers where the multiplexers themselves > are not controlled through i2c for years without problems. > > I afaik even posted an example driver back when Dave posted his > multiplex hack. Did you post the code on this list? However I'm going to publish my job on i2c multiplexers ASAP, maybe you can take a look at it and verify if it fixes your needs. Ciao, Rodolfo -- GNU/Linux Solutions e-mail: giometti@xxxxxxxxxxxx Linux Device Driver giometti@xxxxxxxx Embedded Systems phone: +39 349 2432127 UNIX programming skype: rodolfo.giometti -- 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