On Mon, Jul 02, 2012 at 03:28:19AM +0200, Philipp Kraus wrote: > On 2012-07-02 03:14:03 +0200, Philipp Kraus said: > > >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 ? > > > >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)? > > I have set with > echo 128 > /sys/class/hwmon/hwmon1/device/temp1_auto_channels_pwm > echo 256 > /sys/class/hwmon/hwmon1/device/temp2_auto_channels_pwm > > the 7th and 8th fan-bit but nothing is changed > Does pwm7 and pwm8 still report 252 ? If so, we must be missing something. What do you get if you read back /sys/class/hwmon/hwmon1/device/temp1_auto_channels_pwm and /sys/class/hwmon/hwmon1/device/temp2_auto_channels_pwm ? Thanks, Guenter _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
