diff options
Diffstat (limited to 'drivers/iio/adc/rn5t618-adc.c')
| -rw-r--r-- | drivers/iio/adc/rn5t618-adc.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/iio/adc/rn5t618-adc.c b/drivers/iio/adc/rn5t618-adc.c index 7d891b4ea461..f78fc795b69a 100644 --- a/drivers/iio/adc/rn5t618-adc.c +++ b/drivers/iio/adc/rn5t618-adc.c @@ -42,11 +42,6 @@ struct rn5t618_adc_data { int irq; }; -struct rn5t618_channel_ratios { - u16 numerator; - u16 denominator; -}; - enum rn5t618_channels { LIMMON = 0, VBAT, @@ -58,7 +53,7 @@ enum rn5t618_channels { AIN0 }; -static const struct rn5t618_channel_ratios rn5t618_ratios[8] = { +static const struct u16_fract rn5t618_ratios[8] = { [LIMMON] = {50, 32}, /* measured across 20mOhm, amplified by 32 */ [VBAT] = {2, 1}, [VADP] = {3, 1}, @@ -142,9 +137,8 @@ static int rn5t618_adc_read(struct iio_dev *iio_dev, init_completion(&adc->conv_completion); /* single conversion */ - ret = regmap_update_bits(adc->rn5t618->regmap, RN5T618_ADCCNT3, - RN5T618_ADCCNT3_GODONE, - RN5T618_ADCCNT3_GODONE); + ret = regmap_set_bits(adc->rn5t618->regmap, RN5T618_ADCCNT3, + RN5T618_ADCCNT3_GODONE); if (ret < 0) return ret; @@ -191,10 +185,10 @@ static const struct iio_chan_spec rn5t618_adc_iio_channels[] = { RN5T618_ADC_CHANNEL(AIN0, IIO_VOLTAGE, "AIN0") }; -static struct iio_map rn5t618_maps[] = { +static const struct iio_map rn5t618_maps[] = { IIO_MAP("VADP", "rn5t618-power", "vadp"), IIO_MAP("VUSB", "rn5t618-power", "vusb"), - { /* sentinel */ } + { } }; static int rn5t618_adc_probe(struct platform_device *pdev) @@ -205,10 +199,8 @@ static int rn5t618_adc_probe(struct platform_device *pdev) struct rn5t618 *rn5t618 = dev_get_drvdata(pdev->dev.parent); iio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*adc)); - if (!iio_dev) { - dev_err(&pdev->dev, "failed allocating iio device\n"); + if (!iio_dev) return -ENOMEM; - } adc = iio_priv(iio_dev); adc->dev = &pdev->dev; |