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iio: amplifiers: ad8366: Add write_raw_get_fmt function

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This patch add write_raw_get_fmt function to specify conversion for
hardware gain.

Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Beniamin Bia 2020-02-06 17:11:46 +02:00 committed by Jonathan Cameron
parent b852822474
commit 0cc97f2e46
1 changed files with 13 additions and 0 deletions
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13
drivers/iio/amplifiers/ad8366.c
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@ -180,9 +180,22 @@ static int ad8366_write_raw(struct iio_dev *indio_dev,
return ret;
}
static int ad8366_write_raw_get_fmt(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
long mask)
{
switch (mask) {
case IIO_CHAN_INFO_HARDWAREGAIN:
return IIO_VAL_INT_PLUS_MICRO_DB;
default:
return -EINVAL;
}
}
static const struct iio_info ad8366_info = {
.read_raw = &ad8366_read_raw,
.write_raw = &ad8366_write_raw,
.write_raw_get_fmt = &ad8366_write_raw_get_fmt,
};
#define AD8366_CHAN(_channel) { \