On Wed, Dec 13, 2006 at 02:50:12PM -0800, Matthew Locke wrote: > > >>> I'd find that it's used on N770, as a good way to kick in low > >>> voltage > >>> operation modes. > >> > >> Except that cpufreq doesn't really support voltage changes > > > > The majority of cpufreq drivers in the tree right now support > > voltage scaling just fine. > > Ok, let's reword my sentence. The cpufreq interface does not support > voltage as a parameter Please explain why this is useful at all. Under what circumstance is "Set the CPU voltage to 1.2V" a useful thing for a user, sysadmin, or application to do ? The voltage something runs at is utterly irrelevant to all the above. Given it's inherently tied to the speed a chip runs at, which makes a lot more sense for all the above scenarios to change, we export that instead. AFAICS, exposing voltages to userspace would be completely pointless. Dave -- http://www.codemonkey.org.uk
