diff options
| author | David Lechner <dlechner@baylibre.com> | 2024-06-22 01:11:49 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-06-25 23:04:50 +0300 |
| commit | 0099e82b132e4fa619c45b47f2f83a823d81eaaa (patch) | |
| tree | 1f46493e18c0940744746801828805d5666599a2 /drivers/iio | |
| parent | 9a36aa0f36ab17819d8cb0974f18f32d0fcef2e8 (diff) | |
| download | linux-0099e82b132e4fa619c45b47f2f83a823d81eaaa.tar.xz | |
iio: adc: hx711: use devm_regulator_get_enable_read_voltage()
Use the devm_regulator_get_enable_read_voltage() helper to simplify the
code.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andreas Klinger <ak@it-klinger.de>
Link: https://patch.msgid.link/20240621-iio-regulator-refactor-round-2-v1-2-49e50cd0b99a@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/hx711.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c index fef97c1d226a..6efdc971689c 100644 --- a/drivers/iio/adc/hx711.c +++ b/drivers/iio/adc/hx711.c @@ -80,7 +80,6 @@ struct hx711_data { struct device *dev; struct gpio_desc *gpiod_pd_sck; struct gpio_desc *gpiod_dout; - struct regulator *reg_avdd; int gain_set; /* gain set on device */ int gain_chan_a; /* gain for channel A */ struct mutex lock; @@ -497,11 +496,7 @@ static int hx711_probe(struct platform_device *pdev) return PTR_ERR(hx711_data->gpiod_dout); } - hx711_data->reg_avdd = devm_regulator_get(dev, "avdd"); - if (IS_ERR(hx711_data->reg_avdd)) - return PTR_ERR(hx711_data->reg_avdd); - - ret = regulator_enable(hx711_data->reg_avdd); + ret = devm_regulator_get_enable_read_voltage(dev, "avdd"); if (ret < 0) return ret; @@ -517,9 +512,6 @@ static int hx711_probe(struct platform_device *pdev) * approximately to fit into a 32 bit number: * 1 LSB = (AVDD * 100) / GAIN / 1678 [10^-9 mV] */ - ret = regulator_get_voltage(hx711_data->reg_avdd); - if (ret < 0) - goto error_regulator; /* we need 10^-9 mV */ ret *= 100; @@ -559,7 +551,7 @@ static int hx711_probe(struct platform_device *pdev) hx711_trigger, NULL); if (ret < 0) { dev_err(dev, "setup of iio triggered buffer failed\n"); - goto error_regulator; + return ret; } ret = iio_device_register(indio_dev); @@ -573,25 +565,17 @@ static int hx711_probe(struct platform_device *pdev) error_buffer: iio_triggered_buffer_cleanup(indio_dev); -error_regulator: - regulator_disable(hx711_data->reg_avdd); - return ret; } static void hx711_remove(struct platform_device *pdev) { - struct hx711_data *hx711_data; struct iio_dev *indio_dev; indio_dev = platform_get_drvdata(pdev); - hx711_data = iio_priv(indio_dev); iio_device_unregister(indio_dev); - iio_triggered_buffer_cleanup(indio_dev); - - regulator_disable(hx711_data->reg_avdd); } static const struct of_device_id of_hx711_match[] = { |