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path: root/drivers/iio/dac/max517.c
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Diffstat (limited to 'drivers/iio/dac/max517.c')
-rw-r--r--drivers/iio/dac/max517.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/iio/dac/max517.c b/drivers/iio/dac/max517.c
index 83adcbf1a20..6e190353795 100644
--- a/drivers/iio/dac/max517.c
+++ b/drivers/iio/dac/max517.c
@@ -82,15 +82,13 @@ static int max517_read_raw(struct iio_dev *indio_dev,
long m)
{
struct max517_data *data = iio_priv(indio_dev);
- unsigned int scale_uv;
switch (m) {
case IIO_CHAN_INFO_SCALE:
/* Corresponds to Vref / 2^(bits) */
- scale_uv = (data->vref_mv[chan->channel] * 1000) >> 8;
- *val = scale_uv / 1000000;
- *val2 = scale_uv % 1000000;
- return IIO_VAL_INT_PLUS_MICRO;
+ *val = data->vref_mv[chan->channel];
+ *val2 = 8;
+ return IIO_VAL_FRACTIONAL_LOG2;
default:
break;
}
@@ -162,7 +160,6 @@ static int max517_probe(struct i2c_client *client,
struct max517_data *data;
struct iio_dev *indio_dev;
struct max517_platform_data *platform_data = client->dev.platform_data;
- int err;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
if (!indio_dev)
@@ -194,13 +191,7 @@ static int max517_probe(struct i2c_client *client,
data->vref_mv[1] = platform_data->vref_mv[1];
}
- err = iio_device_register(indio_dev);
- if (err)
- return err;
-
- dev_info(&client->dev, "DAC registered\n");
-
- return 0;
+ return iio_device_register(indio_dev);
}
static int max517_remove(struct i2c_client *client)