alxAdc_McuStm32 - STM32L4 - Where is ADC clock source selected?

[tomazvidovic]

Where in code ADC clock is set for STM32L4 ADC? I didn't find it not in alxClk not in alxAdc, is maybe OK by default? but datasheet says otherwise..

We want to achieve this

By default it seems is this:

[naceroter]

ADCSEL is set to 00 by default and ADC works.