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Sender: Guenter Roeck <groeck7@gmail.com>
Date:   Mon, 19 Sep 2022 06:11:29 -0700
From:   Guenter Roeck <linux@roeck-us.net>
To:     Eliav Farber <farbere@amazon.com>
Cc:     jdelvare@suse.com, robh+dt@kernel.org, p.zabel@pengutronix.de,
        rtanwar@maxlinear.com, andriy.shevchenko@intel.com,
        linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, hhhawa@amazon.com, jonnyc@amazon.com,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH v5 15/21] hwmon: (mr75203) modify the temperature
 equation according to series 5 datasheet
Message-ID: <20220919131129.GA3545737@roeck-us.net>
References: <20220908152449.35457-1-farbere@amazon.com>
 <20220908152449.35457-16-farbere@amazon.com>
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On Thu, Sep 08, 2022 at 03:24:43PM +0000, Eliav Farber 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>

Applied to hwmon-next.

Thanks,
Guenter