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Re: [PATCH v2 06/15] staging: iio: isl29028: move failure logging into isl29028_set_proxim_sampling()

From Jonathan Cameron <jic23@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH v2 06/15] staging: iio: isl29028: move failure logging into isl29028_set_proxim_sampling()
Date 2017-01-21 15:40 +0100
Message-ID <t24ZH-55D-5@gated-at.bofh.it> (permalink)
References <t0yfv-5dT-3@gated-at.bofh.it> <t0yfy-5dT-55@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 17/01/17 09:24, Brian Masney wrote:
> When isl29028_set_proxim_sampling() fails, it was up to both callers to
> log the failure message. This patch moves the logging into
> isl29028_set_proxim_sampling() to reduce the overall amount of code in
> the driver.
> 
> Signed-off-by: Brian Masney <masneyb@onstation.org>
I'm not 100% convinced of the logic of this as a stand alone patch, but
it does no harm and is possibly slightly nicer!

Hence applied.

Thanks,

Jonathan
> ---
>  drivers/staging/iio/light/isl29028.c | 31 ++++++++++++++++---------------
>  1 file changed, 16 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/staging/iio/light/isl29028.c b/drivers/staging/iio/light/isl29028.c
> index 7074e62..bd85ccb 100644
> --- a/drivers/staging/iio/light/isl29028.c
> +++ b/drivers/staging/iio/light/isl29028.c
> @@ -78,18 +78,29 @@ struct isl29028_chip {
>  static int isl29028_set_proxim_sampling(struct isl29028_chip *chip,
>  					unsigned int sampling)
>  {
> +	struct device *dev = regmap_get_device(chip->regmap);
>  	static unsigned int prox_period[] = {800, 400, 200, 100, 75, 50, 12, 0};
> -	int sel;
>  	unsigned int period = DIV_ROUND_UP(1000, sampling);
> +	int sel, ret;
>  
>  	for (sel = 0; sel < ARRAY_SIZE(prox_period); ++sel) {
>  		if (period >= prox_period[sel])
>  			break;
>  	}
>  
> -	return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
> -				  ISL29028_CONF_PROX_SLP_MASK,
> -				  sel << ISL29028_CONF_PROX_SLP_SH);
> +	ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
> +				 ISL29028_CONF_PROX_SLP_MASK,
> +				 sel << ISL29028_CONF_PROX_SLP_SH);
> +
> +	if (ret < 0) {
> +		dev_err(dev, "%s(): Error %d setting the proximity sampling\n",
> +			__func__, ret);
> +		return ret;
> +	}
> +
> +	chip->prox_sampling = sampling;
> +
> +	return ret;
>  }
>  
>  static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable)
> @@ -291,14 +302,6 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
>  		}
>  
>  		ret = isl29028_set_proxim_sampling(chip, val);
> -		if (ret < 0) {
> -			dev_err(dev,
> -				"Setting proximity samp_freq fail, err %d\n",
> -				ret);
> -			break;
> -		}
> -
> -		chip->prox_sampling = val;
>  		break;
>  	case IIO_LIGHT:
>  		if (mask != IIO_CHAN_INFO_SCALE) {
> @@ -437,10 +440,8 @@ static int isl29028_chip_init_and_power_on(struct isl29028_chip *chip)
>  	}
>  
>  	ret = isl29028_set_proxim_sampling(chip, chip->prox_sampling);
> -	if (ret < 0) {
> -		dev_err(dev, "setting the proximity, err = %d\n", ret);
> +	if (ret < 0)
>  		return ret;
> -	}
>  
>  	ret = isl29028_set_als_scale(chip, chip->lux_scale);
>  	if (ret < 0)
> 

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Thread

[PATCH v2 00/15] staging cleanups Brian Masney <masneyb@onstation.org> - 2017-01-17 10:30 +0100
  [PATCH v2 02/15] staging: iio: isl29028: fix alignment of function arguments Brian Masney <masneyb@onstation.org> - 2017-01-17 10:30 +0100
    Re: [PATCH v2 02/15] staging: iio: isl29028: fix alignment of  function arguments Jonathan Cameron <jic23@kernel.org> - 2017-01-21 15:40 +0100
  [PATCH v2 07/15] staging: iio: isl29028: move failure logging into isl29028_set_als_scale() Brian Masney <masneyb@onstation.org> - 2017-01-17 10:30 +0100
    Re: [PATCH v2 07/15] staging: iio: isl29028: move failure logging  into isl29028_set_als_scale() Jonathan Cameron <jic23@kernel.org> - 2017-01-21 15:50 +0100
  [PATCH v2 03/15] staging: iio: isl29028: combine isl29028_proxim_get() and isl29028_read_proxim() Brian Masney <masneyb@onstation.org> - 2017-01-17 10:30 +0100
    Re: [PATCH v2 03/15] staging: iio: isl29028: combine  isl29028_proxim_get() and isl29028_read_proxim() Jonathan Cameron <jic23@kernel.org> - 2017-01-21 15:50 +0100
  [PATCH v2 06/15] staging: iio: isl29028: move failure logging into isl29028_set_proxim_sampling() Brian Masney <masneyb@onstation.org> - 2017-01-17 10:30 +0100
    Re: [PATCH v2 06/15] staging: iio: isl29028: move failure logging  into isl29028_set_proxim_sampling() Jonathan Cameron <jic23@kernel.org> - 2017-01-21 15:40 +0100
  [PATCH v2 14/15] staging: iio: isl29028: only set ALS scale when ALS/IR sensing is enabled Brian Masney <masneyb@onstation.org> - 2017-01-17 10:50 +0100
    Re: [PATCH v2 14/15] staging: iio: isl29028: only set ALS scale when  ALS/IR sensing is enabled Jonathan Cameron <jic23@kernel.org> - 2017-01-21 16:00 +0100
  [PATCH v2 15/15] staging: iio: isl29028: add runtime power management support Brian Masney <masneyb@onstation.org> - 2017-01-17 10:50 +0100
    Re: [PATCH v2 15/15] staging: iio: isl29028: add runtime power  management support Jonathan Cameron <jic23@kernel.org> - 2017-01-21 16:00 +0100
      Re: [PATCH v2 15/15] staging: iio: isl29028: add runtime power  management support Brian Masney <masneyb@onstation.org> - 2017-01-21 17:50 +0100
        Re: [PATCH v2 15/15] staging: iio: isl29028: add runtime power management support Jonathan Cameron <jic23@kernel.org> - 2017-01-21 18:40 +0100
  [PATCH v2 12/15] staging: iio: isl29028: remove enable flag from isl29028_enable_proximity() Brian Masney <masneyb@onstation.org> - 2017-01-17 10:50 +0100
    Re: [PATCH v2 12/15] staging: iio: isl29028: remove enable flag from  isl29028_enable_proximity() Jonathan Cameron <jic23@kernel.org> - 2017-01-21 15:50 +0100
  [PATCH v2 13/15] staging: iio: isl29028: only set proximity sampling rate when proximity is enabled Brian Masney <masneyb@onstation.org> - 2017-01-17 10:50 +0100
    Re: [PATCH v2 13/15] staging: iio: isl29028: only set proximity  sampling rate when proximity is enabled Jonathan Cameron <jic23@kernel.org> - 2017-01-21 15:50 +0100

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