On Fri, 11 Oct 2019 16:43:42 +0200 Miquel Raynal <[email protected]> wrote:
> All the registers are configured by the driver, let's reset the chip > at probe time, avoiding any conflict with a possible earlier > configuration. > > Signed-off-by: Miquel Raynal <[email protected]> Applied. Thanks, Jonathan > --- > drivers/iio/adc/max1027.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c > index 823223b77a70..f9b473ee6711 100644 > --- a/drivers/iio/adc/max1027.c > +++ b/drivers/iio/adc/max1027.c > @@ -466,6 +466,14 @@ static int max1027_probe(struct spi_device *spi) > } > } > > + /* Internal reset */ > + st->reg = MAX1027_RST_REG; > + ret = spi_write(st->spi, &st->reg, 1); > + if (ret < 0) { > + dev_err(&indio_dev->dev, "Failed to reset the ADC\n"); > + return ret; > + } > + > /* Disable averaging */ > st->reg = MAX1027_AVG_REG; > ret = spi_write(st->spi, &st->reg, 1);
