linux-kernel - Re: [PATCH v6 2/2] hwmon: (mr75203) add support for series 6 temperature equation

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Date:   Wed, 21 Sep 2022 14:03:07 +0100
From:   Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:     Eliav Farber <farbere@...zon.com>
Cc:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-hwmon@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        andriy.shevchenko@...el.com, hhhawa@...zon.com, jonnyc@...zon.com,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v6 2/2] hwmon: (mr75203) add support for series 6
 temperature equation

On Wed, Sep 21, 2022 at 1:19 PM Eliav Farber <farbere@...zon.com> wrote:
>
> The current equation used in code is aligned to series 5:
> T = G + H * (n / cal5 - 0.5) + J * F
> Where:
> G = 60, H = 200, cal5 = 4094, J = -0.1, F = frequency clock in MHz
>
> Series 6 has a slightly different equation:
> T = G + H * (n / cal5 - 0.5)
> and a different set of coefficients:
> G = 57.4, H = 249.4, cal5 = 4096
>
> This change supports equation and coefficients for both series.
> (for series 6, J is set to 0).
>
> The series is determined according to “moortec,ts-series” property in
> the device tree.
> If absent, series 5 is assumed to be the default.
>
> Signed-off-by: Eliav Farber <farbere@...zon.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Reported-by: kernel test robot <lkp@...el.com>

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

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

-- 
Regards
Sudip