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Message-ID: <CABz95_A32CNhU=ZxLp=WAsSQqX_DnFoKOYtiva2TMrae6UUnwQ@mail.gmail.com>
Date:	Sat, 29 Nov 2014 16:37:33 +0000
From:	Steven Honeyman <stevenhoneyman@...il.com>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Guenter Roeck <linux@...ck-us.net>, Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Gabriele Mazzotta <gabriele.mzt@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i8k: Add support for temperature sensor labels

On 29 November 2014 at 16:09, Pali Rohár <pali.rohar@...il.com> wrote:
> On Saturday 29 November 2014 17:04:07 Pali Rohár wrote:
>> This patch adds labels for temperature sensors if SMM function
>> with EAX register 0x11a3 reports it. These informations was
>> taken from DOS binary NBSVC.MDM.
>>
>> Signed-off-by: Pali Rohár <pali.rohar@...il.com>
>> ---
>>  drivers/char/i8k.c |  110
>> +++++++++++++++++++++++++++++++++++++++++----------- 1 file
>> changed, 88 insertions(+), 22 deletions(-)
>
> I tested patch on Latitude E6440 and i8k CPU & GPU temps match
> intel coretemp & amd radeion temps.
>
> But I would like if somebody with other Dell laptop can test if
> temperature labels are correct...

Tested and working on E6540:
(I manually masked the serial/service tag)

-----Before-----

*[steven@...40 linux]$ cat /proc/i8k
1.0 A12 6xxxxxx 44 -22 1 -22 3223 -1 -22
*[steven@...40 linux]$ sensors
i8k-virtual-0
Adapter: Virtual device
fan2:        3223 RPM
temp1:        +46.0°C
temp2:        +44.0°C
temp3:        +38.0°C

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0:  +49.0°C  (high = +84.0°C, crit = +100.0°C)
Core 0:         +45.0°C  (high = +84.0°C, crit = +100.0°C)
Core 1:         +49.0°C  (high = +84.0°C, crit = +100.0°C)

-----After-----

*[steven@...40 ~]$ cat /proc/i8k
1.0 A12 6xxxxxx 47 -22 1 -22 3176 -1 -22
*[steven@...40 ~]$ sensors
i8k-virtual-0
Adapter: Virtual device
fan2:        3176 RPM
CPU:          +47.0°C
Ambient:      +45.0°C
SODIMM:       +38.0°C

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0:  +47.0°C  (high = +84.0°C, crit = +100.0°C)
Core 0:         +45.0°C  (high = +84.0°C, crit = +100.0°C)
Core 1:         +46.0°C  (high = +84.0°C, crit = +100.0°C)
--
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