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iio: dac: ds4422/ds4424 fix chip verification 

The ds4424_get_value function takes channel number as it's 3rd
argument and translates it internally into I2C address using
DS4424_DAC_ADDR macro. The caller ds4424_verify_chip was passing an
already translated I2C address as its last argument.

Signed-off-by: Ruslan Babayev <ruslan@babayev.com>
Cc: xe-linux-external@cisco.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
hifive-unleashed-5.2
Ruslan Babayev 2019-05-05 12:24:37 -07:00 committed by Jonathan Cameron
parent 1615fe41a1
commit 60f2208699
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/dac/ds4424.c
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@ -166,7 +166,7 @@ static int ds4424_verify_chip(struct iio_dev *indio_dev)
{
int ret, val;
ret = ds4424_get_value(indio_dev, &val, DS4424_DAC_ADDR(0));
ret = ds4424_get_value(indio_dev, &val, 0);
if (ret < 0)
dev_err(&indio_dev->dev,
"%s failed. ret: %d\n", __func__, ret);