On Fri, 20 Apr 2018 20:41:44 -0400
Brian Masney <masn...@onstation.org> wrote:

> tsl2x7x_clear_interrupts() takes a reg argument but there are only
> two callers to this function and both callers pass the same value.
> Since this function was introduced, interrupts are now working
> properly for this driver, and several unnecessary calls to
> tsl2x7x_clear_interrupts() were removed. This patch removes the
> tsl2x7x_clear_interrupts() function and replaces the two callers
> with the i2c_smbus_write_byte() call instead.
> 
> Signed-off-by: Brian Masney <masn...@onstation.org>
Applied

Thanks,

Jonathan

> ---
>  drivers/staging/iio/light/tsl2x7x.c | 32 +++++++++++++++-----------------
>  1 file changed, 15 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/staging/iio/light/tsl2x7x.c 
> b/drivers/staging/iio/light/tsl2x7x.c
> index 95a00b965c5e..f37fc74b8fbc 100644
> --- a/drivers/staging/iio/light/tsl2x7x.c
> +++ b/drivers/staging/iio/light/tsl2x7x.c
> @@ -271,20 +271,6 @@ static const u8 device_channel_config[] = {
>       ALSPRX2
>  };
>  
> -static int tsl2x7x_clear_interrupts(struct tsl2X7X_chip *chip, int reg)
> -{
> -     int ret;
> -
> -     ret = i2c_smbus_write_byte(chip->client,
> -                                TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN | reg);
> -     if (ret < 0)
> -             dev_err(&chip->client->dev,
> -                     "%s: failed to clear interrupt status %x: %d\n",
> -                     __func__, reg, ret);
> -
> -     return ret;
> -}
> -
>  static int tsl2x7x_read_status(struct tsl2X7X_chip *chip)
>  {
>       int ret;
> @@ -714,9 +700,15 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
>       if (ret < 0)
>               return ret;
>  
> -     ret = tsl2x7x_clear_interrupts(chip, TSL2X7X_CMD_PROXALS_INT_CLR);
> -     if (ret < 0)
> +     ret = i2c_smbus_write_byte(chip->client,
> +                                TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN |
> +                                TSL2X7X_CMD_PROXALS_INT_CLR);
> +     if (ret < 0) {
> +             dev_err(&chip->client->dev,
> +                     "%s: failed to clear interrupt status: %d\n",
> +                     __func__, ret);
>               return ret;
> +     }
>  
>       chip->tsl2x7x_chip_status = TSL2X7X_CHIP_WORKING;
>  
> @@ -1341,7 +1333,13 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void 
> *private)
>                              timestamp);
>       }
>  
> -     tsl2x7x_clear_interrupts(chip, TSL2X7X_CMD_PROXALS_INT_CLR);
> +     ret = i2c_smbus_write_byte(chip->client,
> +                                TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN |
> +                                TSL2X7X_CMD_PROXALS_INT_CLR);
> +     if (ret < 0)
> +             dev_err(&chip->client->dev,
> +                     "%s: failed to clear interrupt status: %d\n",
> +                     __func__, ret);
>  
>       return IRQ_HANDLED;
>  }

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