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iio: light: noa1305: Report available scale values

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Make use of the new static table of scale values and expose available
scale values via sysfs attribute of the IIO device.

Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patch.msgid.link/20240715183120.143417-4-marex@denx.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Marek Vasut 2024-07-15 20:28:58 +02:00 committed by Jonathan Cameron
parent 968a3bed1c
commit 98077d34d0
1 changed files with 21 additions and 0 deletions
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21
drivers/iio/light/noa1305.c
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@ -102,9 +102,29 @@ static const struct iio_chan_spec noa1305_channels[] = {
.type = IIO_LIGHT,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.info_mask_shared_by_type_available = BIT(IIO_CHAN_INFO_SCALE),
}
};
static int noa1305_read_avail(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
const int **vals, int *type,
int *length, long mask)
{
if (chan->type != IIO_LIGHT)
return -EINVAL;
switch (mask) {
case IIO_CHAN_INFO_SCALE:
*vals = noa1305_scale_available;
*length = ARRAY_SIZE(noa1305_scale_available);
*type = IIO_VAL_FRACTIONAL;
return IIO_AVAIL_LIST;
default:
return -EINVAL;
}
}
static int noa1305_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2, long mask)
@ -125,6 +145,7 @@ static int noa1305_read_raw(struct iio_dev *indio_dev,
}
static const struct iio_info noa1305_info = {
.read_avail = noa1305_read_avail,
.read_raw = noa1305_read_raw,
};