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iio: light: al3010: read both ALS ADC registers again

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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: 0e5e21e23d ("iio: light: al3010: Implement regmap support")
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Alexander A. Klimov 2026-05-23 13:44:57 +02:00 committed by Jonathan Cameron
parent 3c5eed894e
commit ee78fae068
1 changed files with 5 additions and 3 deletions
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8
drivers/iio/light/al3010.c
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@ -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;
__le16 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: