On Wed, 23 Nov 2022 12:04:36 +0100 Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx> wrote: > On 11/15/22 11:31, Olivier Moysan wrote: > > Refine offset and linear calibration strategy for STM32MP15 and > > STM32MP13 SoCs: > > > > - offset calibration > > This calibration depends on factors such as temperature and voltage. > > As it is not time consuming, it's worth doing it on each ADC > > start, to get the best accuracy. There is no need to save these data. > > > > - linear calibration > > This calibration is basically SoC dependent, so it can be done only once. > > When this calibration has been performed at boot stage, the ADC kernel > > driver can retrieve the calibration data from the ADC registers. > > Otherwise, the linear calibration is performed once by the ADC driver. > > The backup of these data, allows to restore them on successive ADC starts. > > > > Olivier Moysan (3): > > iio: adc: stm32-adc: smart calibration support > > iio: adc: stm32-adc: improve calibration error log > > iio: adc: stm32-adc: add debugfs to read raw calibration result > > Hi Olivier, > > For the series, you can add my: > Reviewed-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx> Applied to the togreg branch of iio.git and pushed out as testing to let 0-day have a first look at it. Thanks, Jonathan > > Thanks, > Fabrice > > > > > drivers/iio/adc/stm32-adc-core.h | 1 + > > drivers/iio/adc/stm32-adc.c | 135 ++++++++++++++++++------------- > > 2 files changed, 78 insertions(+), 58 deletions(-) > >
