Le 06/03/2025 à 15:03, Jorge Marques a écrit :
The AD4052/AD4058/AD4050/AD4056 are versatile, 16-bit/12-bit,
successive approximation register (SAR) analog-to-digital converter (ADC)
that enables low-power, high-density data acquisition solutions without
sacrificing precision.
...
+#define AD4052_CHAN(bits, grade) { \
+ .type = IIO_VOLTAGE, \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), \
+ .info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), \
Nitpick: Unneeded extra space before BIT
+ .indexed = 1, \
+ .channel = 0, \
+ .event_spec = ad4052_events, \
+ .num_event_specs = ARRAY_SIZE(ad4052_events), \
+ .has_ext_scan_type = 1, \
+ .ext_scan_type = ad4052_scan_type_##bits##_s, \
+ .num_ext_scan_type = ARRAY_SIZE(ad4052_scan_type_##bits##_s), \
+ .ext_info = grade##_ext_info, \
+}
+
+#define AD4052_OFFLOAD_CHAN(bits, grade) { \
+ .type = IIO_VOLTAGE, \
+ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO) | \
+ BIT(IIO_CHAN_INFO_SAMP_FREQ), \
+ .info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), \
Nitpick: Unneeded extra space before BIT
+ .indexed = 1, \
+ .channel = 0, \
+ .event_spec = ad4052_events, \
+ .num_event_specs = ARRAY_SIZE(ad4052_events), \
+ .has_ext_scan_type = 1, \
+ .ext_scan_type = ad4052_scan_type_##bits##_s, \
+ .num_ext_scan_type = ARRAY_SIZE(ad4052_scan_type_##bits##_s), \
+ .ext_info = grade##_ext_info, \
+}
...
+static int ad4052_probe(struct spi_device *spi)
+{
+ const struct ad4052_chip_info *chip;
+ struct device *dev = &spi->dev;
+ struct iio_dev *indio_dev;
+ struct ad4052_state *st;
+ int ret;
+ u8 buf;
+
+ chip = spi_get_device_match_data(spi);
+ if (!chip)
+ return dev_err_probe(dev, -ENODEV,
+ "Could not find chip info data\n");
+
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ st = iio_priv(indio_dev);
+ st->spi = spi;
+ spi_set_drvdata(spi, st);
+ init_completion(&st->completion);
+
+ st->regmap = devm_regmap_init_spi(spi, &ad4052_regmap_config);
+ if (IS_ERR(st->regmap))
+ return dev_err_probe(&spi->dev, PTR_ERR(st->regmap),
Nitpick: Unneeded extra space before PTR_ERR
+ "Failed to initialize regmap\n");
+
+ st->mode = AD4052_SAMPLE_MODE;
+ st->wait_event = false;
+ st->chip = chip;
...
CJ
