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staging: iio: ad9834: Use devm_regulator_get_enable()

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The regulators are only enabled at probe(), hence replace the boilerplate
code by making use of devm_regulator_get_enable() helper.

Signed-off-by: Saalim Quadri <danascape@gmail.com>
Link: https://patch.msgid.link/20250306000459.1554007-1-danascape@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Saalim Quadri 2025-03-06 05:34:59 +05:30 committed by Jonathan Cameron
parent 33220e15ec
commit cc26591e79
1 changed files with 2 additions and 20 deletions
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22
drivers/staging/iio/frequency/ad9834.c
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@ -387,33 +387,15 @@ static const struct iio_info ad9833_info = {
.attrs = &ad9833_attribute_group,
};
static void ad9834_disable_reg(void *data)
{
struct regulator *reg = data;
regulator_disable(reg);
}
static int ad9834_probe(struct spi_device *spi)
{
struct ad9834_state *st;
struct iio_dev *indio_dev;
struct regulator *reg;
int ret;
reg = devm_regulator_get(&spi->dev, "avdd");
if (IS_ERR(reg))
return PTR_ERR(reg);
ret = regulator_enable(reg);
if (ret) {
dev_err(&spi->dev, "Failed to enable specified AVDD supply\n");
return ret;
}
ret = devm_add_action_or_reset(&spi->dev, ad9834_disable_reg, reg);
ret = devm_regulator_get_enable(&spi->dev, "avdd");
if (ret)
return ret;
return dev_err_probe(&spi->dev, ret, "Failed to enable specified AVDD supply\n");
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev) {