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Mark D. Studebaker
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<klh@google.com> received Sept. '04. No changes by me other than include file path fixups. Compiles, but will not insmod without i2c-core changes or stubs to add xxx_nolock() functions. ----------------- Here you go. I apologize for the fact this code is not integrated into the lm_sensors package structure and thus will require you to make various little updates. But I really wanted to get this out before I'm yanked away again, and am pretty sure you can do it much faster than I can figure out what needs to be done! BTW the kernel files are built against 2.4.x where x varies; 18 and 19 should work. Feel free to clean up anything. --Ken On Sat, 18 Sep 2004, Mark Studebaker wrote: >>> > On Tue, 7 Sep 2004, Mark Studebaker wrote: >> >>>> >>sure, send it over. >>>> >>Sorry for delay, your mail got buried by other mail and just now spotted it. >>>> >>mds >>>> >> >>>> >>Ken Harrenstien wrote: >>>> >> >>> >>>>> >>>It turned out to be a while before I could get back to this, but >>>>> >>>everything's been working for a while now and I'd like to send in the >>>>> >>>new pca954x driver. >>>>> >>> >>>>> >>>I was looking at the list in the "new_drivers" file -- it *is* kind of >>>>> >>>intimidating. Since some of the changes affect core i2c files, I was >>>>> >>>hoping that what I could do to start with is just send you a tar of >>>>> >>>the modified files in their entirety, or a patch-diff of the changes >>>>> >>>against the 2.8.7 distribution, so you can scope things out and verify >>>>> >>>they're on the right track for acceptance. The following files are >>>>> >>>the ones I've changed so far: >>>>> >>> >>>>> >>> New: >>>>> >>> Documentation/i2c/virtual_i2c >>>>> >>> drivers/i2c/i2c-virtual.c >>>>> >>> drivers/sensors/pca954x.c >>>>> >>> include/linux/i2c-virtual.h >>>>> >>> Patched: >>>>> >>> Documentation/Configure.help >>>>> >>> drivers/i2c/Makefile >>>>> >>> drivers/i2c/Config.in >>>>> >>> drivers/i2c/i2c-core.c >>>>> >>> drivers/sensors/Makefile >>>>> >>> drivers/sensors/Config.in >>>>> >>> include/linux/i2c-id.h >>>>> >>> include/linux/i2c.h >>>>> >>> >>>>> >>> >>>>> >>>I plan to write some additional doc once I know that the code itself >>>>> >>>is acceptable, and you then can tell me what other files need to be >>>>> >>>updated. >>>>> >>> >>>>> >>>To answer a couple other issues you raised: >>>>> >>> >>>>> >>>On Thu, 24 Jun 2004, Mark Studebaker wrote: >>>>> >>> >>>>> >>> >>>>> >>> >>>> >>>>>> >>>>(copying the mailing list, already forwarded the first mail to the list) >>>>>> >>>> >>>>>> >>>>First I want to ask whether you are working on kernel 2.4 or 2.6. >>>> >>>>> >>> >>>>> >>> >>>>> >>>2.4. >>>>> >>> >>>>> >>> >>>>> >>> >>>> >>>>>> >>>>Third, you may not have realized that Khali recently did a (2.4 kernel) pca9540 driver. >>>>>> >>>>It is in our sensors package. It however doesn't do any of the bootstrapping or >>>>>> >>>>bus registering either. It may or may not help you. >>>> >>>>> >>> >>>>> >>> >>>>> >>>I saw it in the 2.8.7 distrib, and used parts of it as a template. >>>>> >>>The pca954x driver will support that chip, although the external /proc >>>>> >>>interface it presents is necessarily different. >>>>> >>> >>>>> >>>--Ken git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2765 7894878c-1315-0410-8ee3-d5d059ff63e0