On Thu, Apr 03, 2003 at 11:49:44AM +0100, Dave Jones wrote: > On Wed, Apr 02, 2003 at 04:28:22PM -0800, Greg KH wrote: > > > > FWIW, I'm taking the same fixed-point millivolt approach with the > > > sysfs overrides for cpufreq. Having similar things in sysfs > > > exporting the same units seems to be a good idea. > > > > Hm, in looking around the kernel some more, it seems that there are a > > number of other places that export voltage and temperature values (ACPI > > being one of the most obvious.) It might be time to start thinking of a > > single userspace library to access all of these kinds of values in a > > system, instead of having to probe around different parts of the sysfs > > tree by hand... > > Had occured to me too. There was talk of a libpower or the likes > mentioned on acpi-devel a year or so back, but afaik nothing really > came of it. Actually, the "ospmd" tool (available at http://acpi.sourceforge.net ) already seems to manage APM and ACPI input. Well, and speaking of ACPI and sysfs in the same message: IMHO the /proc/acpi/ interface should be replaced by something in /sysfs/ as well.... Dominik
