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path: root/drivers/iio/dac/dpot-dac.c
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Diffstat (limited to 'drivers/iio/dac/dpot-dac.c')
-rw-r--r--drivers/iio/dac/dpot-dac.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c
index b3835fb6b862..5d1819448102 100644
--- a/drivers/iio/dac/dpot-dac.c
+++ b/drivers/iio/dac/dpot-dac.c
@@ -74,11 +74,12 @@ static int dpot_dac_read_raw(struct iio_dev *indio_dev,
case IIO_VAL_INT:
/*
* Convert integer scale to fractional scale by
- * setting the denominator (val2) to one, and...
+ * setting the denominator (val2) to one...
*/
*val2 = 1;
ret = IIO_VAL_FRACTIONAL;
- /* fall through */
+ /* ...and fall through. Say it again for GCC. */
+ fallthrough;
case IIO_VAL_FRACTIONAL:
*val *= regulator_get_voltage(dac->vref) / 1000;
*val2 *= dac->max_ohms;
@@ -183,18 +184,14 @@ static int dpot_dac_probe(struct platform_device *pdev)
indio_dev->num_channels = 1;
dac->vref = devm_regulator_get(dev, "vref");
- if (IS_ERR(dac->vref)) {
- if (PTR_ERR(dac->vref) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "failed to get vref regulator\n");
- return PTR_ERR(dac->vref);
- }
+ if (IS_ERR(dac->vref))
+ return dev_err_probe(&pdev->dev, PTR_ERR(dac->vref),
+ "failed to get vref regulator\n");
dac->dpot = devm_iio_channel_get(dev, "dpot");
- if (IS_ERR(dac->dpot)) {
- if (PTR_ERR(dac->dpot) != -EPROBE_DEFER)
- dev_err(dev, "failed to get dpot input channel\n");
- return PTR_ERR(dac->dpot);
- }
+ if (IS_ERR(dac->dpot))
+ return dev_err_probe(&pdev->dev, PTR_ERR(dac->dpot),
+ "failed to get dpot input channel\n");
ret = iio_get_channel_type(dac->dpot, &type);
if (ret < 0)