lkml.org 
[lkml]   [2022]   [Sep]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v6 1/2] hwmon: (mr75203) modify the temperature equation according to series 5 datasheet
On Wed, Sep 21, 2022 at 1:18 PM Eliav Farber <farbere@amazon.com> wrote:
>
> Modify the equation and coefficients used to convert the digital output
> to temperature according to series 5 of the Moortec Embedded Temperature
> Sensor (METS) datasheet:
> T = G + H * (n / cal5 - 0.5) + J * F
>
> Where:
> *) G = 60, H = 200, cal5 = 4094, J = -0.1.
> *) F = frequency clock in MHz.
> *) n is the digital output.
>
> In code, the G, H and J coefficients are multiplied by a factor of 1000
> to get the temperature in milli-Celsius.
> Final result is clamped in case it exceeds min/max thresholds.
>
> Change is done since it is unclear where the current equation and
> coefficients came from.
>
> Signed-off-by: Eliav Farber <farbere@amazon.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Reported-by: kernel test robot <lkp@intel.com>

Only build tested on top of next-20220921 after reverting v5 patches.

Tested-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>


--
Regards
Sudip

\
 
 \ /
  Last update: 2022-09-21 15:04    [W:0.339 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site