diff options
Diffstat (limited to 'drivers/staging/iio/adc/ad7780.c')
| -rw-r--r-- | drivers/staging/iio/adc/ad7780.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index c9a0c2aa602f..e14960038d3e 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -173,14 +173,16 @@ static int ad7780_probe(struct spi_device *spi) ad_sd_init(&st->sd, indio_dev, spi, &ad7780_sigma_delta_info); - st->reg = devm_regulator_get(&spi->dev, "vcc"); - if (!IS_ERR(st->reg)) { - ret = regulator_enable(st->reg); - if (ret) - return ret; - - voltage_uv = regulator_get_voltage(st->reg); + st->reg = devm_regulator_get(&spi->dev, "avdd"); + if (IS_ERR(st->reg)) + return PTR_ERR(st->reg); + + ret = regulator_enable(st->reg); + if (ret) { + 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]; @@ -222,8 +224,7 @@ static int ad7780_probe(struct spi_device *spi) error_cleanup_buffer_and_trigger: ad_sd_cleanup_buffer_and_trigger(indio_dev); error_disable_reg: - if (!IS_ERR(st->reg)) - regulator_disable(st->reg); + regulator_disable(st->reg); return ret; } @@ -236,8 +237,7 @@ static int ad7780_remove(struct spi_device *spi) iio_device_unregister(indio_dev); ad_sd_cleanup_buffer_and_trigger(indio_dev); - if (!IS_ERR(st->reg)) - regulator_disable(st->reg); + regulator_disable(st->reg); return 0; } |