On Mon, 2018-11-05 at 17:16 -0200, Renato Lui Geh wrote:
> This patch removes the unnecessary field int_vref_mv in ad7780_state
> referring to the device's voltage.
>
Looks good from my side.
Alex
> Signed-off-by: Renato Lui Geh <renatogeh@xxxxxxxxx>
> ---
> Changes in v3:
> - removed unnecessary int_vref_mv from ad7780_state
> Changes in v4:
> - removed voltage reading on probe
>
> drivers/staging/iio/adc/ad7780.c | 9 +--------
> 1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/ad7780.c
> b/drivers/staging/iio/adc/ad7780.c
> index c7cb05cedbbc..52a914360574 100644
> --- a/drivers/staging/iio/adc/ad7780.c
> +++ b/drivers/staging/iio/adc/ad7780.c
> @@ -42,7 +42,6 @@ struct ad7780_state {
> struct regulator *reg;
> struct gpio_desc *powerdown_gpio;
> unsigned int gain;
> - u16 int_vref_mv;
>
> struct ad_sigma_delta sd;
> };
> @@ -165,7 +164,7 @@ static int ad7780_probe(struct spi_device *spi)
> {
> struct ad7780_state *st;
> struct iio_dev *indio_dev;
> - int ret, voltage_uv = 0;
> + int ret;
>
> indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
> if (!indio_dev)
> @@ -185,16 +184,10 @@ static int ad7780_probe(struct spi_device *spi)
> dev_err(&spi->dev, "Failed to enable specified AVdd
> supply\n");
> return ret;
> }
> - voltage_uv = regulator_get_voltage(st->reg);
>
> st->chip_info =
> &ad7780_chip_info_tbl[spi_get_device_id(spi)->driver_data];
>
> - if (voltage_uv)
> - st->int_vref_mv = voltage_uv / 1000;
> - else
> - dev_warn(&spi->dev, "Reference voltage unspecified\n");
> -
> spi_set_drvdata(spi, indio_dev);
>
> indio_dev->dev.parent = &spi->dev;
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