Commit 98077d34 authored by Marek Vasut's avatar Marek Vasut Committed by Jonathan Cameron
Browse files

iio: light: noa1305: Report available scale values 



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: default avatarMarek Vasut <marex@denx.de>
Link: https://patch.msgid.link/20240715183120.143417-4-marex@denx.de


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 968a3bed

drivers/iio/light/noa1305.c

+21 −0
Original line number Diff line number Diff line
@@ -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,

};