Re: [PATCH] iio: light: apds9960: fix wrong register for gesture gain

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On Sun, Nov 6, 2022 at 9:56 AM Alejandro Concepción Rodríguez
<asconcepcion@xxxxxxxx> wrote:
>
> Gesture Gain Control is in REG_GCONF_2 (0xa3), not in REG_CONFIG_2 (0x90).
>
> Fixes: aff268cd532e ("iio: light: add APDS9960 ALS + promixity driver")
>

Good find. Odd that nobody ran into that issue before :/

NOTE: Sorry for the double emails to some.. seems gmail dropped my
Plain Text default setting and set it to HTML *sigh*

Acked-by: Matt Ranostay <matt.ranostay@xxxxxxxxxxxx>

> Signed-off-by: Alejandro Concepcion-Rodriguez <asconcepcion@xxxxxxxx>
> ---
>  drivers/iio/light/apds9960.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
> index b62c139baf41..38d4c7644bef 100644
> --- a/drivers/iio/light/apds9960.c
> +++ b/drivers/iio/light/apds9960.c
> @@ -54,9 +54,6 @@
>  #define APDS9960_REG_CONTROL_PGAIN_MASK_SHIFT  2
>
>  #define APDS9960_REG_CONFIG_2  0x90
> -#define APDS9960_REG_CONFIG_2_GGAIN_MASK       0x60
> -#define APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT 5
> -
>  #define APDS9960_REG_ID                0x92
>
>  #define APDS9960_REG_STATUS    0x93
> @@ -77,6 +74,9 @@
>  #define APDS9960_REG_GCONF_1_GFIFO_THRES_MASK_SHIFT    6
>
>  #define APDS9960_REG_GCONF_2   0xa3
> +#define APDS9960_REG_GCONF_2_GGAIN_MASK                        0x60
> +#define APDS9960_REG_GCONF_2_GGAIN_MASK_SHIFT          5
> +
>  #define APDS9960_REG_GOFFSET_U 0xa4
>  #define APDS9960_REG_GOFFSET_D 0xa5
>  #define APDS9960_REG_GPULSE    0xa6
> @@ -396,9 +396,9 @@ static int apds9960_set_pxs_gain(struct apds9960_data *data, int val)
>                         }
>
>                         ret = regmap_update_bits(data->regmap,
> -                               APDS9960_REG_CONFIG_2,
> -                               APDS9960_REG_CONFIG_2_GGAIN_MASK,
> -                               idx << APDS9960_REG_CONFIG_2_GGAIN_MASK_SHIFT);
> +                               APDS9960_REG_GCONF_2,
> +                               APDS9960_REG_GCONF_2_GGAIN_MASK,
> +                               idx << APDS9960_REG_GCONF_2_GGAIN_MASK_SHIFT);
>                         if (!ret)
>                                 data->pxs_gain = idx;
>                         mutex_unlock(&data->lock);
> --
> 2.34.1




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