Re: [PATCH v2] iio: light: al3320a: read both ALS ADC registers again

[Jonathan Cameron]

On Sat, 23 May 2026 13:44:58 +0200
"Alexander A. Klimov" <grandmaster@xxxxxxxxxxxx> wrote:

> al3320a_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: 1850e6ae7f91 ("iio: light: al3320a: Implement regmap support")
> Signed-off-by: Alexander A. Klimov <grandmaster@xxxxxxxxxxxx>
For future reference, be careful not to send new threads in reply to
old ones.
- confuses tools
- hides email threads in people's clients.

Anyhow applied and marked for stable

Thanks,

Jonathan

> ---
>  v2: use __le16, not uint16_t
> 
>  drivers/iio/light/al3320a.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
> index 63f5a85912fc..f40b8b36f22d 100644
> --- a/drivers/iio/light/al3320a.c
> +++ b/drivers/iio/light/al3320a.c
> @@ -135,7 +135,8 @@ static int al3320a_read_raw(struct iio_dev *indio_dev,
>  			    int *val2, long mask)
>  {
>  	struct al3320a_data *data = iio_priv(indio_dev);
> -	int ret, gain, raw;
> +	int ret, gain;
> +	__le16 raw;
>  
>  	switch (mask) {
>  	case IIO_CHAN_INFO_RAW:
> @@ -144,11 +145,12 @@ static int al3320a_read_raw(struct iio_dev *indio_dev,
>  		 * - low byte of output is stored at AL3320A_REG_DATA_LOW
>  		 * - high byte of output is stored at AL3320A_REG_DATA_LOW + 1
>  		 */
> -		ret = regmap_read(data->regmap, AL3320A_REG_DATA_LOW, &raw);
> +		ret = regmap_bulk_read(data->regmap, AL3320A_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: