iio: adc: ad7606: Add debug mode for ad7616
Support for register access was added for devices which have software mode. Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>alistair/sunxi64-5.4-dsi
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f2a22e1e17
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a444fa597e
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@ -60,6 +60,29 @@ static int ad7606_reset(struct ad7606_state *st)
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return -ENODEV;
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return -ENODEV;
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}
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}
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static int ad7606_reg_access(struct iio_dev *indio_dev,
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unsigned int reg,
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unsigned int writeval,
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unsigned int *readval)
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{
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struct ad7606_state *st = iio_priv(indio_dev);
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int ret;
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mutex_lock(&st->lock);
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if (readval) {
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ret = st->bops->reg_read(st, reg);
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if (ret < 0)
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goto err_unlock;
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*readval = ret;
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ret = 0;
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} else {
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ret = st->bops->reg_write(st, reg, writeval);
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}
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err_unlock:
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mutex_unlock(&st->lock);
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return ret;
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}
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static int ad7606_read_samples(struct ad7606_state *st)
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static int ad7606_read_samples(struct ad7606_state *st)
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{
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{
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unsigned int num = st->chip_info->num_channels;
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unsigned int num = st->chip_info->num_channels;
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@ -501,6 +524,14 @@ static const struct iio_info ad7606_info_os_and_range = {
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.validate_trigger = &ad7606_validate_trigger,
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.validate_trigger = &ad7606_validate_trigger,
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};
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};
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static const struct iio_info ad7606_info_os_range_and_debug = {
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.read_raw = &ad7606_read_raw,
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.write_raw = &ad7606_write_raw,
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.debugfs_reg_access = &ad7606_reg_access,
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.attrs = &ad7606_attribute_group_os_and_range,
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.validate_trigger = &ad7606_validate_trigger,
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};
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static const struct iio_info ad7606_info_os = {
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static const struct iio_info ad7606_info_os = {
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.read_raw = &ad7606_read_raw,
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.read_raw = &ad7606_read_raw,
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.write_raw = &ad7606_write_raw,
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.write_raw = &ad7606_write_raw,
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@ -617,7 +648,7 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
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/* After reset, in software mode, ±10 V is set by default */
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/* After reset, in software mode, ±10 V is set by default */
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memset32(st->range, 2, ARRAY_SIZE(st->range));
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memset32(st->range, 2, ARRAY_SIZE(st->range));
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indio_dev->info = &ad7606_info_os_and_range;
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indio_dev->info = &ad7606_info_os_range_and_debug;
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ret = st->bops->sw_mode_config(indio_dev);
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ret = st->bops->sw_mode_config(indio_dev);
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if (ret < 0)
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if (ret < 0)
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