| Message ID | 20191011144347.19146-4-miquel.raynal@bootlin.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Introduce max12xx ADC support | expand |
On Fri, 11 Oct 2019 16:43:42 +0200 Miquel Raynal <miquel.raynal@bootlin.com> 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 <miquel.raynal@bootlin.com> 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);
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);
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 <miquel.raynal@bootlin.com> --- drivers/iio/adc/max1027.c | 8 ++++++++ 1 file changed, 8 insertions(+)