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authorDavid Lechner <dlechner@baylibre.com>2024-06-22 00:11:54 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2024-06-25 22:04:51 +0200
commit71c8bea4832e7e6e0bc04b0f4e98cac27adbe19a (patch)
treebdc5ae0597d85845e3d4c0f2ce675ec25ecaee68 /drivers/iio
parentiio: adc: max1363: use devm_regulator_get_enable_read_voltage() (diff)
downloadlinux-71c8bea4832e7e6e0bc04b0f4e98cac27adbe19a.tar.xz
linux-71c8bea4832e7e6e0bc04b0f4e98cac27adbe19a.zip
iio: adc: ti-adc108s102: use devm_regulator_get_enable_read_voltage()
Use devm_regulator_get_enable_read_voltage() to simplify the code. Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20240621-iio-regulator-refactor-round-2-v1-7-49e50cd0b99a@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/adc/ti-adc108s102.c28
1 files changed, 3 insertions, 25 deletions
diff --git a/drivers/iio/adc/ti-adc108s102.c b/drivers/iio/adc/ti-adc108s102.c
index 69fcbbc7e418..9758ac801310 100644
--- a/drivers/iio/adc/ti-adc108s102.c
+++ b/drivers/iio/adc/ti-adc108s102.c
@@ -58,7 +58,6 @@
struct adc108s102_state {
struct spi_device *spi;
- struct regulator *reg;
u32 va_millivolt;
/* SPI transfer used by triggered buffer handler*/
struct spi_transfer ring_xfer;
@@ -216,11 +215,6 @@ static const struct iio_info adc108s102_info = {
.update_scan_mode = &adc108s102_update_scan_mode,
};
-static void adc108s102_reg_disable(void *reg)
-{
- regulator_disable(reg);
-}
-
static int adc108s102_probe(struct spi_device *spi)
{
struct adc108s102_state *st;
@@ -236,25 +230,9 @@ static int adc108s102_probe(struct spi_device *spi)
if (ACPI_COMPANION(&spi->dev)) {
st->va_millivolt = ADC108S102_VA_MV_ACPI_DEFAULT;
} else {
- st->reg = devm_regulator_get(&spi->dev, "vref");
- if (IS_ERR(st->reg))
- return PTR_ERR(st->reg);
-
- ret = regulator_enable(st->reg);
- if (ret < 0) {
- dev_err(&spi->dev, "Cannot enable vref regulator\n");
- return ret;
- }
- ret = devm_add_action_or_reset(&spi->dev, adc108s102_reg_disable,
- st->reg);
- if (ret)
- return ret;
-
- ret = regulator_get_voltage(st->reg);
- if (ret < 0) {
- dev_err(&spi->dev, "vref get voltage failed\n");
- return ret;
- }
+ ret = devm_regulator_get_enable_read_voltage(&spi->dev, "vref");
+ if (ret < 0)
+ return dev_err_probe(&spi->dev, ret, "failed get vref voltage\n");
st->va_millivolt = ret / 1000;
}