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[Backport ncs-v3.1-branch] [nrf fromlist] drivers: adc: nrfx: SAADC power consumption and neg samples fixes #3192

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Merged
merged 2 commits into from
Aug 12, 2025
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[Backport ncs-v3.1-branch] [nrf fromlist] drivers: adc: nrfx: SAADC power consumption and neg samples fixes #3192

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6d8182f
[nrf fromlist] drivers: adc: nrfx: fix for negative samples in single…
jaz1-nordic Aug 12, 2025
a99a810
[nrf fromlist] drivers: adc: nrfx: Temporary fix for SAADC power cons…
jaz1-nordic Aug 12, 2025
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3 changes: 2 additions & 1 deletion drivers/adc/adc_nrfx_saadc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -541,7 +541,7 @@ static inline void single_ended_channel_cut_negative_sample(uint16_t channel_bit
uint8_t single_ended_channels,
int16_t **sample)
{
if ((channel_bit & single_ended_channels) && (*sample < 0)) {
if ((channel_bit & single_ended_channels) && (**sample < 0)) {
**sample = 0;
}

Expand Down Expand Up @@ -755,6 +755,7 @@ static void event_handler(const nrfx_saadc_evt_t *event)
correct_single_ended(&m_data.ctx.sequence, m_data.user_buffer,
event->data.done.size);
}
nrfy_saadc_disable(NRF_SAADC);
adc_context_on_sampling_done(&m_data.ctx, DEVICE_DT_INST_GET(0));
} else if (event->type == NRFX_SAADC_EVT_CALIBRATEDONE) {
err = nrfx_saadc_mode_trigger();
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