From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
The channel index is used before it's been read from the device tree
child node. Move it down a few lines so it reflects the correct setting.
Noticed by inspection, so test appreciated.
Fixes: 7b8d045e497a ("iio: adc: ad7124: allow more than 8 channels")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Cc: Alexandru Tachici <alexandru.tachici@xxxxxxxxxx>
---
drivers/iio/adc/ad7124.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index e45c600fccc0..b2e49386d7dc 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -765,7 +765,6 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
st->channels = channels;
for_each_available_child_of_node(np, child) {
- cfg = &st->channels[channel].cfg;
ret = of_property_read_u32(child, "reg", &channel);
if (ret)
@@ -778,6 +777,8 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
goto err;
}
+ cfg = &st->channels[channel].cfg;
+
ret = of_property_read_u32_array(child, "diff-channels",
ain, 2);
if (ret)
--
2.32.0
