[lm-sensors] IT8726F support (was: mcp61 sensors support)

[Thomas Garner]

Sorry this has taken some time to do.

[root at ns ~]# modprobe it87
[root at ns ~]# tail -n 1 /var/log/kern.log
Mar  7 21:55:48 ns kernel: it87: Found IT8726F chip at 0x290, revision 1
[root at ns ~]# sensors
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:
             +26 C
Core1 Temp:
             +24 C

it8716-isa-0290
Adapter: ISA adapter
VCore:     +1.26 V  (min =  +0.00 V, max =  +4.08 V)
VDDR:      +2.50 V  (min =  +1.28 V, max =  +1.68 V)   ALARM
+3.3V:     +1.87 V  (min =  +2.78 V, max =  +3.78 V)   ALARM
+5V:       +5.54 V  (min =  +4.49 V, max =  +5.48 V)   ALARM
+12V:      +4.93 V  (min =  +9.98 V, max = +13.95 V)   ALARM
in5:       +1.17 V  (min =  +0.58 V, max =  +1.34 V)
in6:       +2.98 V  (min =  +1.04 V, max =  +1.36 V)   ALARM
5VSB:      +5.03 V  (min =  +4.49 V, max =  +5.48 V)
VBat:      +2.98 V
fan1:     3013 RPM  (min =   10 RPM)
fan2:     1298 RPM  (min =   10 RPM)
temp1:       +24 C  (low  =  +127 C, high =  +127 C)   sensor = diode
temp2:       +34 C  (low  =  +127 C, high =  +127 C)   sensor = thermistor
temp3:       +25 C  (low  =  +127 C, high =  +127 C)   sensor = thermistor
vid:      +1.525 V
[root at ns ~]# isadump -k 0x87,0x01,0x55,0x55 0x2e 0x2f 0x04
WARNING! Running this program can cause system crashes, data loss and worse!
I will probe address register 0x2e and data register 0x2f.
Probing bank 4 using bank register 0x07.
Continue? [Y/n] y
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00: 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 87 26 01 11 00 41 d4 01 00 08 81 00 40 00 00 00
30: 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 02 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 02 00 00 04 04 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 80 00 0a 00 80 00 ff 00 00 00 00 00 00 00 00 00

Since this machine is remote to me, I looked at the manual from the
manufacturer.  It gives:

CPU Tcontrol
System Temperature
CPU Fan Speed
System Fan Speed
CPU Vcore
VDIMM

If needed, I get get remote hands to verify.

Thomas

> > OK, then can you please edit drivers/hwmon/it87.c, replace:
> > #define IT8716F_DEVID 0x8716
> > with:
> > #define IT8716F_DEVID 0x8726
> >
> > Recompile, test and report. The report should include the output of
> > "sensors" and the message printed in the kernel logs when you loaded
> > the it87 driver.
> >
> > Please also provide a dump of the Super-I/O config space:
> > isadump -k 0x87,0x01,0x55,0x55 0x2e 0x2f 0x04
> >
> > And a list of the hardware monitoring items listed by your BIOS.