On Wed, Mar 17, 2004 at 09:05:04PM +0100, Jean Delvare wrote: > > > How would we export the value though? Numerical, with user-space > > > headers to be included by user-space applications? Or converted to > > > some explicit text strings so that no headers are needed? > > > > A text string would be simple enough to use. > > I'm not sure. What about a chip driver that would belong to more than > one class? What about the eeprom driver which will belong to all > classes? With a numeric value, a simple binary operation handles all > the cases. With text strings we would end having to parse a possibly > multi-valued string, and do string comparisons, with at least one > exception to handle. This is likely to require much more resources, > don't you think? Ok, I wasn't really awake when writing that, you are correct. Other devices export "values" that have to be looked up in tables in userspace (think device ids). We can just export a hex number that matches the ones in i2c.h Anyone want to write a patch? :) thanks, greg k-h
