On 17/01/17 09:24, Brian Masney wrote:
> When isl29028_set_als_scale() fails, it was up to both callers to log
> the failure message. This patch moves the logging into
> isl29028_set_als_scale() to reduce the overall amount of code in the
> driver.
> 
> Signed-off-by: Brian Masney <masn...@onstation.org>
Applied
> ---
>  drivers/staging/iio/light/isl29028.c | 27 ++++++++++++++-------------
>  1 file changed, 14 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/staging/iio/light/isl29028.c 
> b/drivers/staging/iio/light/isl29028.c
> index bd85ccb..8e7b3db 100644
> --- a/drivers/staging/iio/light/isl29028.c
> +++ b/drivers/staging/iio/light/isl29028.c
> @@ -123,11 +123,22 @@ static int isl29028_enable_proximity(struct 
> isl29028_chip *chip, bool enable)
>  
>  static int isl29028_set_als_scale(struct isl29028_chip *chip, int lux_scale)
>  {
> +     struct device *dev = regmap_get_device(chip->regmap);
>       int val = (lux_scale == 2000) ? ISL29028_CONF_ALS_RANGE_HIGH_LUX :
>                                       ISL29028_CONF_ALS_RANGE_LOW_LUX;
> +     int ret;
> +
> +     ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
> +                              ISL29028_CONF_ALS_RANGE_MASK, val);
> +     if (ret < 0) {
> +             dev_err(dev, "%s(): Error %d setting the ALS scale\n", __func__,
> +                     ret);
> +             return ret;
> +     }
>  
> -     return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
> -                               ISL29028_CONF_ALS_RANGE_MASK, val);
> +     chip->lux_scale = lux_scale;
> +
> +     return ret;
>  }
>  
>  static int isl29028_set_als_ir_mode(struct isl29028_chip *chip,
> @@ -318,13 +329,6 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
>               }
>  
>               ret = isl29028_set_als_scale(chip, val);
> -             if (ret < 0) {
> -                     dev_err(dev,
> -                             "Setting lux scale fail with error %d\n", ret);
> -                     break;
> -             }
> -
> -             chip->lux_scale = val;
>               break;
>       default:
>               dev_err(dev, "Unsupported channel type\n");
> @@ -443,10 +447,7 @@ static int isl29028_chip_init_and_power_on(struct 
> isl29028_chip *chip)
>       if (ret < 0)
>               return ret;
>  
> -     ret = isl29028_set_als_scale(chip, chip->lux_scale);
> -     if (ret < 0)
> -             dev_err(dev, "setting als scale failed, err = %d\n", ret);
> -     return ret;
> +     return isl29028_set_als_scale(chip, chip->lux_scale);
>  }
>  
>  static bool isl29028_is_volatile_reg(struct device *dev, unsigned int reg)
> 

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