This patch removes the unnecessary field int_vref_mv in ad7780_state
referring to the device's voltage.
Signed-off-by: Renato Lui Geh <renato...@gmail.com>
---
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;
--
2.19.1
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