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authorMichael Walle <michael@walle.cc>2022-04-01 23:40:29 +0200
committerGuenter Roeck <linux@roeck-us.net>2022-05-22 20:32:30 +0200
commitcd705ea857fdd859a9df09e8adda4cb4c906e8a2 (patch)
tree039ec5202c54949c7e9fe53a8036714c8c608284 /drivers/hwmon
parenthwmon: (pmbus) Add support for Infineon Digital Multi-phase xdp152 family con... (diff)
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lib: add generic polynomial calculation
Some temperature and voltage sensors use a polynomial to convert between raw data points and actual temperature or voltage. The polynomial is usually the result of a curve fitting of the diode characteristic. The BT1 PVT hwmon driver already uses such a polynonmial calculation which is rather generic. Move it to lib/ so other drivers can reuse it. Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20220401214032.3738095-2-michael@walle.cc Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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