Re: ACPI INT340E PTID device

["Zhang, Rui" <rui.zhang@intel.com>]

Hi, Armin,

This device is deprecated. There is no guarantee that this device will
exist and function in current and future devices.
I don't have any plan to support this device and there is no document
about it.

thanks,
rui 

On Mon, 2024-01-15 at 18:00 +0100, Armin Wolf wrote:
> Am 15.01.24 um 15:13 schrieb Zhang, Rui:
> 
> > Hi,
> > 
> > On Sun, 2024-01-14 at 13:42 +0100, Armin Wolf wrote:
> > > Hello,
> > > 
> > > a user has asked if the ACPI INT340E device could be supported.
> > What does this device bring to the user?
> 
> He wants to be able to monitor the fan speed on his MSI GF63-12VF,
> see
> https://github.com/lm-sensors/lm-sensors/issues/475 for details.
> 
> > >   Its seems that this device exposes
> > > thermal and power sensors to the operating system, plus some
> > > general
> > > purpose "OSD" sensors.
> > Hmm, I don't know what this device really means. At least it is not
> > related with the other INT340X devices.
> > 
> > > The device is already supported by the Hackintosh community, see
> > > here:
> > > https://github.com/RehabMan/OS-X-FakeSMC-kozlek/blob/master/ACPISensors/PTIDSensors.cpp
> > > 
> > > Back in 2014, the INT340E device was mentioned in message
> > > "1408622934.3315.8.camel@rzhang1-toshiba" as:
> > > 
> > >          The PTID device has _CID PNP0C02, but it is also
> > > represents
> > > an
> > >          INT340E device, there is a platform bus driver for this
> > > device
> > >          which will be introduced by myself soon.
> > Interesting, I cannot recall what happened, maybe that device ID is
> > deprecated later.
> > 
> > CC srinivas, and we will make clear what it does before doing
> > anything.
> 
> Thanks,
> 
> it would be helpful if Intel could provide some documentation on how
> to use this
> device (ACPI control methods, etc).
> 
> Armin Wolf
> 
> > thanks,
> > rui