Re: [PATCH 9/9] iio: humidity: hts221: move drdy enable logic in hts221_trig_set_state()

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On Sun,  9 Jul 2017 18:57:04 +0200
Lorenzo Bianconi <lorenzo.bianconi83@xxxxxxxxx> wrote:

> Move data-ready configuration in hts221_buffer.c since it is only related
> to trigger logic
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxx>
The rest of the series looks good to me.  We are early in the cycle
so should have plenty of time to pin down the question on how to handle
irq line inversion visibility to the kernel.

Jonathan
> ---
>  drivers/iio/humidity/hts221.h        |  1 -
>  drivers/iio/humidity/hts221_buffer.c |  8 +++++++-
>  drivers/iio/humidity/hts221_core.c   | 14 --------------
>  3 files changed, 7 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/iio/humidity/hts221.h b/drivers/iio/humidity/hts221.h
> index 0fbc89fe213d..2b4e5246447a 100644
> --- a/drivers/iio/humidity/hts221.h
> +++ b/drivers/iio/humidity/hts221.h
> @@ -66,7 +66,6 @@ struct hts221_hw {
>  
>  extern const struct dev_pm_ops hts221_pm_ops;
>  
> -int hts221_config_drdy(struct hts221_hw *hw, bool enable);
>  int hts221_write_with_mask(struct hts221_hw *hw, u8 addr, u8 mask, u8 val);
>  int hts221_probe(struct iio_dev *iio_dev);
>  int hts221_set_enable(struct hts221_hw *hw, bool enable);
> diff --git a/drivers/iio/humidity/hts221_buffer.c b/drivers/iio/humidity/hts221_buffer.c
> index f29f01a22375..9690dfe9a844 100644
> --- a/drivers/iio/humidity/hts221_buffer.c
> +++ b/drivers/iio/humidity/hts221_buffer.c
> @@ -28,6 +28,8 @@
>  #define HTS221_REG_DRDY_HL_MASK		BIT(7)
>  #define HTS221_REG_DRDY_PP_OD_ADDR	0x22
>  #define HTS221_REG_DRDY_PP_OD_MASK	BIT(6)
> +#define HTS221_REG_DRDY_EN_ADDR		0x22
> +#define HTS221_REG_DRDY_EN_MASK		BIT(2)
>  #define HTS221_REG_STATUS_ADDR		0x27
>  #define HTS221_RH_DRDY_MASK		BIT(1)
>  #define HTS221_TEMP_DRDY_MASK		BIT(0)
> @@ -36,8 +38,12 @@ static int hts221_trig_set_state(struct iio_trigger *trig, bool state)
>  {
>  	struct iio_dev *iio_dev = iio_trigger_get_drvdata(trig);
>  	struct hts221_hw *hw = iio_priv(iio_dev);
> +	int err;
> +
> +	err = hts221_write_with_mask(hw, HTS221_REG_DRDY_EN_ADDR,
> +				     HTS221_REG_DRDY_EN_MASK, state);
>  
> -	return hts221_config_drdy(hw, state);
> +	return err < 0 ? err : 0;
>  }
>  
>  static const struct iio_trigger_ops hts221_trigger_ops = {
> diff --git a/drivers/iio/humidity/hts221_core.c b/drivers/iio/humidity/hts221_core.c
> index dfacf64a6f2e..12c2bc5954e4 100644
> --- a/drivers/iio/humidity/hts221_core.c
> +++ b/drivers/iio/humidity/hts221_core.c
> @@ -23,7 +23,6 @@
>  
>  #define HTS221_REG_CNTRL1_ADDR		0x20
>  #define HTS221_REG_CNTRL2_ADDR		0x21
> -#define HTS221_REG_CNTRL3_ADDR		0x22
>  
>  #define HTS221_REG_AVG_ADDR		0x10
>  #define HTS221_REG_H_OUT_L		0x28
> @@ -36,9 +35,6 @@
>  #define HTS221_BDU_MASK			BIT(2)
>  #define HTS221_ENABLE_MASK		BIT(7)
>  
> -#define HTS221_DRDY_MASK		BIT(2)
> -
> -
>  /* calibration registers */
>  #define HTS221_REG_0RH_CAL_X_H		0x36
>  #define HTS221_REG_1RH_CAL_X_H		0x3a
> @@ -180,16 +176,6 @@ static int hts221_check_whoami(struct hts221_hw *hw)
>  	return 0;
>  }
>  
> -int hts221_config_drdy(struct hts221_hw *hw, bool enable)
> -{
> -	int err;
> -
> -	err = hts221_write_with_mask(hw, HTS221_REG_CNTRL3_ADDR,
> -				     HTS221_DRDY_MASK, enable);
> -
> -	return err < 0 ? err : 0;
> -}
> -
>  static int hts221_update_odr(struct hts221_hw *hw, u8 odr)
>  {
>  	int i, err;

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