Messages in this thread | | | From | Sudip Mukherjee <> | Date | Wed, 21 Sep 2022 14:02:45 +0100 | Subject | Re: [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
| |