aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/iio/dac/ad5624r_spi.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/iio/dac/ad5624r_spi.c')
-rw-r--r--drivers/staging/iio/dac/ad5624r_spi.c47
1 files changed, 23 insertions, 24 deletions
diff --git a/drivers/staging/iio/dac/ad5624r_spi.c b/drivers/staging/iio/dac/ad5624r_spi.c
index c4bdf42d544..0f1d431c6fa 100644
--- a/drivers/staging/iio/dac/ad5624r_spi.c
+++ b/drivers/staging/iio/dac/ad5624r_spi.c
@@ -228,24 +228,23 @@ static int __devinit ad5624r_probe(struct spi_device *spi)
{
struct ad5624r_state *st;
struct iio_dev *indio_dev;
- struct regulator *reg;
int ret, voltage_uv = 0;
- reg = regulator_get(&spi->dev, "vcc");
- if (!IS_ERR(reg)) {
- ret = regulator_enable(reg);
- if (ret)
- goto error_put_reg;
-
- voltage_uv = regulator_get_voltage(reg);
- }
indio_dev = iio_allocate_device(sizeof(*st));
if (indio_dev == NULL) {
ret = -ENOMEM;
- goto error_disable_reg;
+ goto error_ret;
}
st = iio_priv(indio_dev);
- st->reg = reg;
+ st->reg = regulator_get(&spi->dev, "vcc");
+ if (!IS_ERR(st->reg)) {
+ ret = regulator_enable(st->reg);
+ if (ret)
+ goto error_put_reg;
+
+ voltage_uv = regulator_get_voltage(st->reg);
+ }
+
spi_set_drvdata(spi, indio_dev);
st->chip_info =
&ad5624r_chip_info_tbl[spi_get_device_id(spi)->driver_data];
@@ -265,22 +264,23 @@ static int __devinit ad5624r_probe(struct spi_device *spi)
ret = ad5624r_spi_write(spi, AD5624R_CMD_INTERNAL_REFER_SETUP, 0,
!!voltage_uv, 16);
if (ret)
- goto error_free_dev;
+ goto error_disable_reg;
ret = iio_device_register(indio_dev);
if (ret)
- goto error_free_dev;
+ goto error_disable_reg;
return 0;
-error_free_dev:
- iio_free_device(indio_dev);
+
error_disable_reg:
- if (!IS_ERR(reg))
- regulator_disable(reg);
+ if (!IS_ERR(st->reg))
+ regulator_disable(st->reg);
error_put_reg:
- if (!IS_ERR(reg))
- regulator_put(reg);
+ if (!IS_ERR(st->reg))
+ regulator_put(st->reg);
+ iio_free_device(indio_dev);
+error_ret:
return ret;
}
@@ -289,13 +289,12 @@ static int __devexit ad5624r_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
struct ad5624r_state *st = iio_priv(indio_dev);
- struct regulator *reg = st->reg;
- iio_device_unregister(indio_dev);
- if (!IS_ERR(reg)) {
- regulator_disable(reg);
- regulator_put(reg);
+ if (!IS_ERR(st->reg)) {
+ regulator_disable(st->reg);
+ regulator_put(st->reg);
}
+ iio_device_unregister(indio_dev);
return 0;
}