On Wed, Aug 11, 2021 at 07:06:43PM +0300, Andy Shevchenko wrote: > On Wed, Aug 11, 2021 at 11:15 AM Lars-Peter Clausen <lars@xxxxxxxxxx> wrote: > > On 8/10/21 2:49 PM, Andy Shevchenko wrote: > > > > > >> + data->tol = data->cfg->kohms * (val & GENMASK(6, 0)) * 10 / 8; > > >> + if (!(val & BIT(7))) > > >> + data->tol *= -1; > > > Shouldn't you simple use corresponding sign_extend*()? > > The data is encoded a sign-magnitude. sign_extend() works for two's > > complement numbers. > > Good catch! > I'm wondering if it's a good idea to have a sign_magnitude_to_int() > helper or so? > So, What should I do now? > -- > With Best Regards, > Andy Shevchenko
