iio: adc: ad7192: Simplify using devm_regulator_get_enable()

Use devm_regulator_get_enable() instead of open coded get, enable,
add-action-to-disable-at-detach - pattern. Also drop the seemingly unused
struct member 'dvdd'.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/9719c445c095d3d308e2fc9f4f93294f5806c41c.1660934107.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Matti Vaittinen 2022-08-19 22:19:01 +03:00 committed by Jonathan Cameron
parent 62bfa12c87
commit 1ccef2e6e9

View File

@ -177,7 +177,6 @@ struct ad7192_chip_info {
struct ad7192_state {
const struct ad7192_chip_info *chip_info;
struct regulator *avdd;
struct regulator *dvdd;
struct clk *mclk;
u16 int_vref_mv;
u32 fclk;
@ -1015,19 +1014,9 @@ static int ad7192_probe(struct spi_device *spi)
if (ret)
return ret;
st->dvdd = devm_regulator_get(&spi->dev, "dvdd");
if (IS_ERR(st->dvdd))
return PTR_ERR(st->dvdd);
ret = regulator_enable(st->dvdd);
if (ret) {
dev_err(&spi->dev, "Failed to enable specified DVdd supply\n");
return ret;
}
ret = devm_add_action_or_reset(&spi->dev, ad7192_reg_disable, st->dvdd);
ret = devm_regulator_get_enable(&spi->dev, "dvdd");
if (ret)
return ret;
return dev_err_probe(&spi->dev, ret, "Failed to enable specified DVdd supply\n");
ret = regulator_get_voltage(st->avdd);
if (ret < 0) {