On Tue, Feb 8, 2022 at 4:04 AM Liam Beguin <liambeguin@xxxxxxxxx> wrote: > > A temperature transducer is a device that converts a thermal quantity > into any other physical quantity. This patch adds support for > temperature to voltage (like the LTC2997) and temperature to current > (like the AD590) linear transducers. > In both cases these are assumed to be connected to a voltage ADC. ... > + rescale->offset = div_s64((s64)offset * rescale->denominator, > + rescale->numerator); Wonder if we can use mult_frac() here. Would it require 64-bit division? -- With Best Regards, Andy Shevchenko