github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-05 04:56:13 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

iio: adc: ad7793: use devm_regulator_get_enable_read_voltage

Browse Source 
This makes use of the new devm_regulator_get_enable_read_voltage()
function to reduce boilerplate code.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240612-iio-adc-ref-supply-refactor-v2-4-fa622e7354e9@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner 2024-06-12 16:03:08 -05:00 committed by Jonathan Cameron
parent c53ccb4ee1
commit 8f485a164d
1 changed files with 3 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/iio/adc/ad7793.c
View File

@ -152,7 +152,6 @@ struct ad7793_chip_info {
struct ad7793_state {
const struct ad7793_chip_info *chip_info;
struct regulator *reg;
u16 int_vref_mv;
u16 mode;
u16 conf;
@ -769,11 +768,6 @@ static const struct ad7793_chip_info ad7793_chip_info_tbl[] = {
},
};
static void ad7793_reg_disable(void *reg)
{
regulator_disable(reg);
}
static int ad7793_probe(struct spi_device *spi)
{
const struct ad7793_platform_data *pdata = spi->dev.platform_data;
@ -800,23 +794,11 @@ static int ad7793_probe(struct spi_device *spi)
ad_sd_init(&st->sd, indio_dev, spi, &ad7793_sigma_delta_info);
if (pdata->refsel != AD7793_REFSEL_INTERNAL) {
st->reg = devm_regulator_get(&spi->dev, "refin");
if (IS_ERR(st->reg))
return PTR_ERR(st->reg);
ret = regulator_enable(st->reg);
if (ret)
ret = devm_regulator_get_enable_read_voltage(&spi->dev, "refin");
if (ret < 0)
return ret;
ret = devm_add_action_or_reset(&spi->dev, ad7793_reg_disable, st->reg);
if (ret)
return ret;
vref_mv = regulator_get_voltage(st->reg);
if (vref_mv < 0)
return vref_mv;
vref_mv /= 1000;
vref_mv = ret / 1000;
} else {
vref_mv = 1170; /* Build-in ref */
}