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iio: adc: cc10001: Fix regulator_get_voltage() return value check

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regulator_get_voltage() returns a non-negative value in case of success,
and a negative error in case of error. Let's fix this.

Fixes: 1664f6a5b0 ("iio: adc: Cosmic Circuits 10001 ADC driver")
Signed-off-by: Naidu Tellapati <naidu.tellapati@imgtec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Naidu Tellapati 2015-05-07 18:22:19 -03:00 committed by Jonathan Cameron
parent 713276ea88
commit 65a761bf8d
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/cc10001_adc.c
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@ -230,7 +230,7 @@ static int cc10001_adc_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_SCALE:
ret = regulator_get_voltage(adc_dev->reg);
if (ret)
if (ret < 0)
return ret;
*val = ret / 1000;