Hi Henrique, > On Sun, 04 Jun 2006, Jean Delvare wrote: > > > On Sun, 04 Jun 2006, Jean Delvare wrote: > > > > Sure, why not. fan[1-*]_present sounds like a good idea. I wonder how > > > > this works physically. It would be great if other chips could implement > > > > this feature, that would make autoconfig easier for fans. If you > > > > > > We can certainly implement it as in-driver logic if the hardware doesn't > > > cooperate, but a stuck fan on startup will be shown as not-present unless > > > you DO have hardware detection. > > > > No, this feature is only valuable if implemented by the hardware. If we > > emulate it in any way, it would be in user space and not in the > > drivers, but even there I fail to see the value. > > I fully agree, and I suggest that the sysfs interface description makes it > clear that this attribute can be exported only if it is a *hardware sense* > result... This is true of all sysfs attributes, not just this one. See patch 04/11 I just sent to Greg, I updated the documentation to make it clearer. -- Jean Delvare
