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iio: stm32-dfsdm: Treat flags as booleans

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The "st,adc-alt-channel" and "st,filter0-sync" properties are
documented as boolean flags. The legacy parser read them as integer
cells, unlike the child-node parser which already checks only for
presence.

Use presence and boolean helpers so both parsers follow the binding and
the property type checker no longer reports the flags.

Assisted-by: Codex:gpt-5-5
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Rob Herring (Arm)
2026-06-12 16:51:50 -05:00
committed by Jonathan Cameron
parent 82fe80d3ac
commit ec034d0981
1 changed files with 4 additions and 8 deletions
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12
drivers/iio/adc/stm32-dfsdm-adc.c
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@@ -660,11 +660,8 @@ static int stm32_dfsdm_channel_parse_of(struct stm32_dfsdm *dfsdm,
}
df_ch->src = val;
ret = of_property_read_u32_index(indio_dev->dev.of_node,
"st,adc-alt-channel", chan_idx,
&df_ch->alt_si);
if (ret < 0)
df_ch->alt_si = 0;
df_ch->alt_si = of_property_present(indio_dev->dev.of_node,
"st,adc-alt-channel");
return 0;
}
@@ -1815,9 +1812,8 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
adc->dfsdm->fl_list[adc->fl_id].ford = val;
ret = of_property_read_u32(dev->of_node, "st,filter0-sync", &val);
if (!ret)
adc->dfsdm->fl_list[adc->fl_id].sync_mode = val;
adc->dfsdm->fl_list[adc->fl_id].sync_mode =
of_property_read_bool(dev->of_node, "st,filter0-sync");
adc->dev_data = dev_data;
ret = dev_data->init(dev, iio);