Re: [PATCH 2/8] iio: adc: stm32-adc: manage characterization voltage diversity
From: Andy Shevchenko
Date: Fri Sep 11 2026 - 12:51:18 EST
On Fri, Sep 11, 2026 at 05:51:24PM +0200, Fabrice Gasnier wrote:
> The characterization voltage used to calibrate vrefint depends
> on SoC family. Add vref_charac field in stm32_adc_cfg structure
> to store the characterization voltage for each SoC, and use it
> in vref computation formula.
Vref
...
> + * @vref_charac: Vref characterization voltage (mv) used to measure vrefint calibration value
vref_char_mV or alike
(use unit suffix and you may drop that mv in the parentheses).
...
> + const int vref_charac;
What does const buy you here?
--
With Best Regards,
Andy Shevchenko