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drivers: adc: SAM0: Enable automatic result devision when oversampling #76963

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Merged
merged 1 commit into from
Jan 15, 2025
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drivers: adc: SAM0: Enable automatic result devision when oversampling #76963

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8 changes: 6 additions & 2 deletions drivers/adc/adc_sam0.c
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Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,6 @@ static int adc_sam0_channel_setup(const struct device *dev,
#endif
}


uint32_t inputctrl = 0;

switch (channel_cfg->gain) {
Expand Down Expand Up @@ -258,7 +257,6 @@ static int adc_sam0_channel_setup(const struct device *dev,
break;
}


return 0;
}

Expand Down Expand Up @@ -328,6 +326,12 @@ static int start_read(const struct device *dev,
}

adc->AVGCTRL.reg = ADC_AVGCTRL_SAMPLENUM(sequence->oversampling);
if (sequence->oversampling < 4) {
adc->AVGCTRL.reg |= ADC_AVGCTRL_ADJRES(sequence->oversampling);
} else {
adc->AVGCTRL.reg |= ADC_AVGCTRL_ADJRES(4);
}

/* AVGCTRL is not synchronized */

#ifdef CONFIG_SOC_SERIES_SAMD20
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