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path: root/drivers/iio/dac/ad5064.c
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Diffstat (limited to 'drivers/iio/dac/ad5064.c')
-rw-r--r--drivers/iio/dac/ad5064.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c
index aa26d50ab63..f03b92fd380 100644
--- a/drivers/iio/dac/ad5064.c
+++ b/drivers/iio/dac/ad5064.c
@@ -239,10 +239,9 @@ static int ad5064_read_raw(struct iio_dev *indio_dev,
if (scale_uv < 0)
return scale_uv;
- scale_uv = (scale_uv * 100) >> chan->scan_type.realbits;
- *val = scale_uv / 100000;
- *val2 = (scale_uv % 100000) * 10;
- return IIO_VAL_INT_PLUS_MICRO;
+ *val = scale_uv / 1000;
+ *val2 = chan->scan_type.realbits;
+ return IIO_VAL_FRACTIONAL_LOG2;
default:
break;
}
@@ -285,8 +284,9 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
.name = "powerdown",
.read = ad5064_read_dac_powerdown,
.write = ad5064_write_dac_powerdown,
+ .shared = IIO_SEPARATE,
},
- IIO_ENUM("powerdown_mode", false, &ad5064_powerdown_mode_enum),
+ IIO_ENUM("powerdown_mode", IIO_SEPARATE, &ad5064_powerdown_mode_enum),
IIO_ENUM_AVAILABLE("powerdown_mode", &ad5064_powerdown_mode_enum),
{ },
};
@@ -299,7 +299,12 @@ static const struct iio_chan_spec_ext_info ad5064_ext_info[] = {
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
BIT(IIO_CHAN_INFO_SCALE), \
.address = addr, \
- .scan_type = IIO_ST('u', (bits), 16, 20 - (bits)), \
+ .scan_type = { \
+ .sign = 'u', \
+ .realbits = (bits), \
+ .storagebits = 16, \
+ .shift = 20 - bits, \
+ }, \
.ext_info = ad5064_ext_info, \
}
@@ -442,7 +447,7 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
unsigned int i;
int ret;
- indio_dev = iio_device_alloc(sizeof(*st));
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*st));
if (indio_dev == NULL)
return -ENOMEM;
@@ -456,23 +461,23 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
for (i = 0; i < ad5064_num_vref(st); ++i)
st->vref_reg[i].supply = ad5064_vref_name(st, i);
- ret = regulator_bulk_get(dev, ad5064_num_vref(st),
+ ret = devm_regulator_bulk_get(dev, ad5064_num_vref(st),
st->vref_reg);
if (ret) {
if (!st->chip_info->internal_vref)
- goto error_free;
+ return ret;
st->use_internal_vref = true;
ret = ad5064_write(st, AD5064_CMD_CONFIG, 0,
AD5064_CONFIG_INT_VREF_ENABLE, 0);
if (ret) {
dev_err(dev, "Failed to enable internal vref: %d\n",
ret);
- goto error_free;
+ return ret;
}
} else {
ret = regulator_bulk_enable(ad5064_num_vref(st), st->vref_reg);
if (ret)
- goto error_free_reg;
+ return ret;
}
indio_dev->dev.parent = dev;
@@ -498,11 +503,6 @@ static int ad5064_probe(struct device *dev, enum ad5064_type type,
error_disable_reg:
if (!st->use_internal_vref)
regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg);
-error_free_reg:
- if (!st->use_internal_vref)
- regulator_bulk_free(ad5064_num_vref(st), st->vref_reg);
-error_free:
- iio_device_free(indio_dev);
return ret;
}
@@ -514,12 +514,8 @@ static int ad5064_remove(struct device *dev)
iio_device_unregister(indio_dev);
- if (!st->use_internal_vref) {
+ if (!st->use_internal_vref)
regulator_bulk_disable(ad5064_num_vref(st), st->vref_reg);
- regulator_bulk_free(ad5064_num_vref(st), st->vref_reg);
- }
-
- iio_device_free(indio_dev);
return 0;
}