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iio: adc: at91-sama5d2_adc: check return status for pressure and touch

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[ Upstream commit d84ace944a ]

Check return status of at91_adc_read_position() and
at91_adc_read_pressure() in at91_adc_read_info_raw().

Fixes: 6794e23fa3 ("iio: adc: at91-sama5d2_adc: add support for oversampling resolution")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220803102855.2191070-3-claudiu.beznea@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Claudiu Beznea 2022-08-03 13:28:38 +03:00 • committed by Greg Kroah-Hartman
commit d259b90f0c
1 changed files with 6 additions and 2 deletions
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8
drivers/iio/adc/at91-sama5d2_adc.c
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@ -1355,8 +1355,10 @@ static int at91_adc_read_info_raw(struct iio_dev *indio_dev,
*val = tmp_val;
mutex_unlock(&st->lock);
iio_device_release_direct_mode(indio_dev);
if (ret > 0)
ret = at91_adc_adjust_val_osr(st, val);
return at91_adc_adjust_val_osr(st, val);
return ret;
}
if (chan->type == IIO_PRESSURE) {
ret = iio_device_claim_direct_mode(indio_dev);
@ -1369,8 +1371,10 @@ static int at91_adc_read_info_raw(struct iio_dev *indio_dev,
*val = tmp_val;
mutex_unlock(&st->lock);
iio_device_release_direct_mode(indio_dev);
if (ret > 0)
ret = at91_adc_adjust_val_osr(st, val);
return at91_adc_adjust_val_osr(st, val);
return ret;
}
/* in this case we have a voltage channel */