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staging: iio: ad7606: fix improper setting of oversampling pins

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commit b321a38d24 upstream.

The oversampling ratio is controlled using the oversampling pins,
OS [2:0] with OS2 being the MSB control bit, and OS0 the LSB control
bit.

The gpio connected to the OS2 pin is not being set correctly, only OS0
and OS1 pins are being set. Fix the typo to allow proper control of the
oversampling pins.

Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Fixes: b9618c0 ("staging: IIO: ADC: New driver for AD7606/AD7606-6/AD7606-4")
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eva Rachel Retuya 2016-10-09 00:05:39 +08:00 committed by Greg Kroah-Hartman
parent fc322290fc
commit a673f99884
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/iio/adc/ad7606_core.c
View file

@ -189,7 +189,7 @@ static ssize_t ad7606_store_oversampling_ratio(struct device *dev,
mutex_lock(&indio_dev->mlock);
gpio_set_value(st->pdata->gpio_os0, (ret >> 0) & 1);
gpio_set_value(st->pdata->gpio_os1, (ret >> 1) & 1);
gpio_set_value(st->pdata->gpio_os1, (ret >> 2) & 1);
gpio_set_value(st->pdata->gpio_os2, (ret >> 2) & 1);
st->oversampling = lval;
mutex_unlock(&indio_dev->mlock);