Commit 24fa6989 authored by David Lechner's avatar David Lechner Committed by Jonathan Cameron
Browse files

iio: adc: ad7380: fix adi,gain-milli property parsing 



Change the data type of the "adi,gain-milli" property from u32 to u16.
The devicetree binding specifies it as uint16, so we need to read it as
such to avoid an -EOVERFLOW error when parsing the property.

Fixes: c904e6dc ("iio: adc: ad7380: add support for adaq4370-4 and adaq4380-4")
Signed-off-by: default avatarDavid Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250619-iio-adc-ad7380-fix-adi-gain-milli-parsing-v1-1-4c27fb426860@baylibre.com


Cc: <Stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 7b864826

drivers/iio/adc/ad7380.c

+3 −2
Original line number Diff line number Diff line
@@ -1953,8 +1953,9 @@ static int ad7380_probe(struct spi_device *spi) 


	if (st->chip_info->has_hardware_gain) {

		device_for_each_child_node_scoped(dev, node) {

			unsigned int channel, gain;

			unsigned int channel;

			int gain_idx;

			u16 gain;



			ret = fwnode_property_read_u32(node, "reg", &channel);

			if (ret)
@@ -1966,7 +1967,7 @@ static int ad7380_probe(struct spi_device *spi) 
						     "Invalid channel number %i\n",

						     channel);



			ret = fwnode_property_read_u32(node, "adi,gain-milli",

			ret = fwnode_property_read_u16(node, "adi,gain-milli",

						       &gain);

			if (ret && ret != -EINVAL)

				return dev_err_probe(dev, ret,