devm_iio_channel_get_all
channels = devm_iio_channel_get_all(dev);
EXPORT_SYMBOL_GPL(devm_iio_channel_get_all);
chans = devm_iio_channel_get_all(dev);
st->iio_chans = devm_iio_channel_get_all(dev);
priv->iio_adcs = devm_iio_channel_get_all(priv->dev);
struct iio_channel *devm_iio_channel_get_all(struct device *dev);
priv->iio_ch = devm_iio_channel_get_all(&pdev->dev);