Re: support for IT8586E

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On Wed, Jul 15, 2015 at 12:27:04PM -0400, Dev Anand wrote:
> Thanks Jean and Guenter,
> 
> There is no /proc/acpi/fan or /proc/acpi/thermal_zone folder but, I do see
> /proc/acpi/button and /proc/acpi/wakeup.
> Is there any guide on how to setup the ACPI fan control?
> 
Did you try to load the acpi modules Jean suggested ? 

Guenter

> Regards,
> Dev
> 
> $sensors
> k10temp-pci-00c3
> Adapter: PCI adapter
> temp1:        +37.8°C  (high = +70.0°C)
>                        (crit = +100.0°C, hyst = +99.0°C)
> 
> fam15h_power-pci-00c4
> Adapter: PCI adapter
> power1:           N/A  (crit =  18.96 W)
> 
> $sudo sensors-detect
> .....
> AMD Family 15h thermal sensors...                           Success!
>     (driver `k10temp')
> .....
> Some Super I/O chips contain embedded sensors. We have to write to
> standard I/O ports to probe them. This is usually safe.
> Do you want to scan for Super I/O sensors? (YES/no): YES
> Probing for Super-I/O at 0x2e/0x2f
> Trying family `National Semiconductor/ITE'...               No
> Trying family `SMSC'...                                     No
> Trying family `VIA/Winbond/Nuvoton/Fintek'...               No
> Trying family `ITE'...                                      No
> Probing for Super-I/O at 0x4e/0x4f
> Trying family `National Semiconductor/ITE'...               Yes
> Found unknown chip with ID 0x8586
> ....
> Now follows a summary of the probes I have just done.
> Just press ENTER to continue:
> 
> Driver `k10temp' (autoloaded):
>   * Chip `AMD Family 15h thermal sensors' (confidence: 9)
> 
> No modules to load, skipping modules configuration.
> 
> Unloading cpuid... OK
> 
> 
> $sudo pwmconfig
> ...
> /usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed
> 
> 
> On Wed, Jul 15, 2015 at 10:37 AM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> 
> > On Wed, Jul 15, 2015 at 09:46:26AM +0200, Jean Delvare wrote:
> > > Hi Dev,
> > >
> > > On Tue, 14 Jul 2015 23:27:41 -0400, Dev Anand wrote:
> > > > I got myself a Lenovo z50-75. The fan is always on. And, sensors-detect
> > > > reports the following.
> > > >
> > > > Trying family `ITE'...                                      No
> > > >
> > > > Probing for Super-I/O at 0x4e/0x4f
> > > >
> > > > Trying family `National Semiconductor/ITE'...               Yes
> > > >
> > > > Found unknown chip with ID 0x8586
> > > >
> > > >
> > > > Appears to be IT8586E. Are there any plans of supporting this chip. I
> > don't
> > > > see it listed on the http://www.lm-sensors.org/wiki/Devices web site.
> > >
> > > It's not listed on ITE's website either. Never heard of that chip. I've
> > > added an entry in the wiki, with your request. But without a datasheet
> > > there's nothing we can do.
> > >
> > I think this is an embedded controller, not a legacy Super-IO chip.
> > Trying the ACPI drivers you mentioned below might be the best option.
> >
> > Guenter
> >
> > > Please note that on a laptop the fan is most certainly controlled by
> > > ACPI anyway so a driver for the IT8586E would not necessarily help. If
> > > the fan does not behave the way it should, you should check the BIOS
> > > options and report the problem to the linux-acpi ACPI.
> > >
> > > Also check the thinkpad_acpi and ideapad-laptop kernel drivers. There
> > > is no explicit mention of your laptop model there but other Lenovo
> > > laptops are supported so maybe support for your model could/should be
> > > added there.
> > >
> > > --
> > > Jean Delvare
> > > SUSE L3 Support
> > >
> > > _______________________________________________
> > > lm-sensors mailing list
> > > lm-sensors@xxxxxxxxxxxxxx
> > > http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
> >

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