On Fri June 12 2009, Jean Delvare wrote: > On Thu, 11 Jun 2009 15:32:55 -0700, Andrew Morton wrote: > > On Wed, 10 Jun 2009 17:40:31 +0000 (UTC) > > Tomaz Mertelj <tomaz.mertelj at guest.arnes.si> wrote: > > > > > Harald Welte <HaraldWelte <at> viatech.com> writes: > > > > > > > > > > > This is a driver for the on-die digital temperature sensor of > > > > VIA's recent CPU models. > > > > > > > > Signed-off-by: Harald Welte <HaraldWelte <at> viatech.com> > > > > > > > > > > Harald, > > > > You carefully removed Harald from Cc: so he probably didn't read your > > email. > > > > > I tested it on 2.6.28.3 kernel on VIA VB7002 motherboard and it does not work > > > correctly. > > > > > > Output form sensors: > > > > > > via-cputemp-isa-0000 > > Harald, dashes in hwmon chip names are _prohibited_. Please change to > via_cputemp or similar. > > > > Adapter: ISA adapter > > > Core 0: +0.0 C > > > > > > On the other hand > > > cat '/sys/class/hwmon/hwmon2/device/driver/via-cputemp.0/temp1_input' outputs > > > numbers between 25-27. > > > > > Temperature values are supposed to be expressed in millidegrees C, not > degrees C as it seems to be doing (although 25 degrees C seems pretty > low for a CPU temperature?) The drivers needs to multiply values by > 1000 before exporting them to sysfs. Then "sensors" will report the > correct temperature value. > Ah, 25 degrees C is room temperature - real hard for the junction temperature to be 25 degrees C with power applied; lacking an infinitely perfect heatsink. Look for an "off by one" error in shifting or masking the value. Mike
