On Mon, Jul 02, 2012 at 03:14:03AM +0200, Philipp Kraus wrote: > On 2012-06-30 21:24:59 +0200, Guenter Roeck said: > > >On Sat, Jun 30, 2012 at 07:27:49PM +0200, Philipp Kraus wrote: > >>On 2012-06-30 19:03:44 +0200, Guenter Roeck said: > >> > >>>On Sat, Jun 30, 2012 at 06:04:53PM +0200, Philipp Kraus wrote: > >>>>On 2012-06-30 17:33:38 +0200, Guenter Roeck said: > >>>> > >>>>>On Sat, Jun 30, 2012 at 04:37:28PM +0200, Philipp Kraus wrote: > >>>>>> > >>>>>>the grep command shows > >>>>>>grep: /sys/class/hwmon/hwmon1/device/driver: Is a directory > >>>>>>grep: /sys/class/hwmon/hwmon1/device/hwmon: Is a directory > >>>>>>grep: /sys/class/hwmon/hwmon1/device/power: Is a directory > >>>>>>grep: /sys/class/hwmon/hwmon1/device/subsystem: Is a directory > >>>>>> > >>>>>>and within the directory are the in*, pwm* temp* files > >>>>>> > >>>>>Not sure I understand. > >>>>> > >>>>>I'll need the names and output for the pwm* and temp* files. They > >>>>>_should_ be in > >>>>>/sys/class/hwmon/hwmon1/device/pwm* and /sys/class/hwmon/hwmon1/device/temp*. > >>>> > >>>>the command grep /sys.... does not work, I have run an ls -l and > >>> > >>>Phil, > >>> > >>>It wasn't "grep /sys/...", it was "grep . /sys/class/hwmon/hwmon1/device/*". > >>>The "." is important. Your output gives me the file names, but I need names and > >>>content, not names and permissions. > >> > >>Sorry, my mistake, I haven't seen that it ist "grep . <space> /sys..." > >>Hope this the correct output now > >> > >>/sys/class/hwmon/hwmon1/device/pwm1:252 > > > >Looks like all pwm values report the "default" pwm value. > > > >>/sys/class/hwmon/hwmon1/device/temp1_auto_channels_pwm:1 > > > >If I understand the code and the data sheet correectly, this attribute > >is a bit map used to map a temperature source to one or multiple fans. > >And it looks like all temperature sources are mapped to fan1, which > >in turn means that effectively temp4 controls the speed of fan1 (the highest > >temperature determines the fan speed), and all other fans are not mapped to > >a temperature input. > > > >What you should probably do is to find the association between tempX and pwmX > >and program tempX_auto_channels_pwm such that the two map. > >For example, if temp1 > >is the CPU1 temperature, and pwm4 (fan4) is connected to the CPU1 fan, write > >0b00001000 = 0x08 into /sys/class/hwmon/hwmon1/device/temp1_auto_channels_pwm. > >Similar, if temp2 is the CPU2 temperature and fan5/pwm5 controls its fan, > >write 0x10 (=16) into /sys/class/hwmon/hwmon1/device/temp2_auto_channels_pwm. > > You are write, temp1 and temp2 are the values for the CPU 1 and CPU > 2. The fans for the CPU > are fan7 = CPU 1 and fan8 = CPU 2 > > Can you explane me in detail how you create the map 0b00001000 = 0x08 ? > I think 0x08 = 0x8 = 8 is a hexadecimal value but is this 0b00001000 > also a hexadecimal value, in this case both values are not equal !? > Should I write with echo -e "\x8" > > /sys/class/hwmon/hwmon1/device/temp1_auto_channels_pwm ? > "8" decimal is equivalent to hex, so you can just write "8". With 0b00001000 I meant binary, not hex. > IMHO I must enable (1) the n-th bit on the auto_channels_pwm value > for the n-th fan, so in my configuration the 7 and 8 bit (begin == > 0)? > Correct. Guenter _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
