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iio: temperature: mlx90614 Refactoring available filter attributes

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Change/refactor to the new way of defining available attribute values.

Signed-off-by: Crt Mori <cmo@melexis.com>
Link: https://lore.kernel.org/r/20220906112632.244453-1-cmo@melexis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Crt Mori 2022-09-06 13:26:32 +02:00 committed by Jonathan Cameron
parent a7a1c60bc4
commit d9d0c0725a
1 changed files with 30 additions and 11 deletions
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41
drivers/iio/temperature/mlx90614.c
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@ -79,16 +79,15 @@ struct mlx90614_data {
/* Bandwidth values for IIR filtering */
static const int mlx90614_iir_values[] = {77, 31, 20, 15, 723, 153, 110, 86};
static IIO_CONST_ATTR(in_temp_object_filter_low_pass_3db_frequency_available,
"0.15 0.20 0.31 0.77 0.86 1.10 1.53 7.23");
static struct attribute *mlx90614_attributes[] = {
&iio_const_attr_in_temp_object_filter_low_pass_3db_frequency_available.dev_attr.attr,
NULL,
};
static const struct attribute_group mlx90614_attr_group = {
.attrs = mlx90614_attributes,
static const int mlx90614_freqs[][2] = {
{0, 150000},
{0, 200000},
{0, 310000},
{0, 770000},
{0, 860000},
{1, 100000},
{1, 530000},
{7, 230000}
};
/*
@ -373,6 +372,22 @@ static int mlx90614_write_raw_get_fmt(struct iio_dev *indio_dev,
}
}
static int mlx90614_read_avail(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
const int **vals, int *type, int *length,
long mask)
{
switch (mask) {
case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
*vals = (int *)mlx90614_freqs;
*type = IIO_VAL_INT_PLUS_MICRO;
*length = 2 * ARRAY_SIZE(mlx90614_freqs);
return IIO_AVAIL_LIST;
default:
return -EINVAL;
}
}
static const struct iio_chan_spec mlx90614_channels[] = {
{
.type = IIO_TEMP,
@ -389,6 +404,8 @@ static const struct iio_chan_spec mlx90614_channels[] = {
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_CALIBEMISSIVITY) |
BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY),
.info_mask_separate_available =
BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
BIT(IIO_CHAN_INFO_SCALE),
},
@ -401,6 +418,8 @@ static const struct iio_chan_spec mlx90614_channels[] = {
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_CALIBEMISSIVITY) |
BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY),
.info_mask_separate_available =
BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY),
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) |
BIT(IIO_CHAN_INFO_SCALE),
},
@ -410,7 +429,7 @@ static const struct iio_info mlx90614_info = {
.read_raw = mlx90614_read_raw,
.write_raw = mlx90614_write_raw,
.write_raw_get_fmt = mlx90614_write_raw_get_fmt,
.attrs = &mlx90614_attr_group,
.read_avail = mlx90614_read_avail,
};
#ifdef CONFIG_PM