[PATCH] iio: light: al3010: read both ALS ADC registers again

From: Alexander A. Klimov

Date: Wed May 20 2026 - 14:38:54 EST


al3010_read_raw() used to read two adjacent registers
until the driver was modernized using the regmap framework.
That cleanup accidentally replaced the 16-bit word read
with a single byte read. I'm reverting latter.

Fixes: 0e5e21e23dd6 ("iio: light: al3010: Implement regmap support")
Signed-off-by: Alexander A. Klimov <grandmaster@xxxxxxxxxxxx>
---
drivers/iio/light/al3010.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/light/al3010.c b/drivers/iio/light/al3010.c
index 0932fa2b49fa..1800776d725e 100644
--- a/drivers/iio/light/al3010.c
+++ b/drivers/iio/light/al3010.c
@@ -111,7 +111,8 @@ static int al3010_read_raw(struct iio_dev *indio_dev,
int *val2, long mask)
{
struct al3010_data *data = iio_priv(indio_dev);
- int ret, gain, raw;
+ int ret, gain;
+ uint16_t raw;

switch (mask) {
case IIO_CHAN_INFO_RAW:
@@ -120,11 +121,12 @@ static int al3010_read_raw(struct iio_dev *indio_dev,
* - low byte of output is stored at AL3010_REG_DATA_LOW
* - high byte of output is stored at AL3010_REG_DATA_LOW + 1
*/
- ret = regmap_read(data->regmap, AL3010_REG_DATA_LOW, &raw);
+ ret = regmap_bulk_read(data->regmap, AL3010_REG_DATA_LOW,
+ &raw, sizeof(raw));
if (ret)
return ret;

- *val = raw;
+ *val = le16_to_cpu(raw);

return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
--
2.54.0