On Tue, 22 Sep 2020 00:17:51 -0700 Brad Boyer <flar@allandria.com> wrote: > OK. I have to admit I didn't do a lot of digging. This is probably > something they added in more recent versions of PMU. None of the other > messages types listed in the Linux code seem likely. The Darwin code > appears to have a lot more PMU message types listed (some of them > marked in the comments as being specific to ancient models like the > PB145), so probably one of them does this. I don't want to dig into > the code there, just in case that's a potential license issue. It > doesn't seem like looking at the header with the list would be an > issue. Great. I will see if I can set up a build/test workflow and try to add some kind of interface for this feature. > If we manage to get it working, we will probably have to also figure > out how to tell which systems support this feature. The via-pmu > driver is used on a wide variety of systems, all the way back to > the earliest PowerBook models that can run Linux (and in fact the > PMU hardware is present even on the ones that are too old to run > Linux due to having no MMU like the Portable and PB100, although > the PMU is attached to the VIA differently on those anyway so the > driver wouldn't work without some significant changes). I'm not sure what to do about that. -- Charles
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