Commit d9d0c072 authored by Crt Mori's avatar Crt Mori Committed by Jonathan Cameron
Browse files

iio: temperature: mlx90614 Refactoring available filter attributes 



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

Signed-off-by: default avatarCrt Mori <cmo@melexis.com>
Link: https://lore.kernel.org/r/20220906112632.244453-1-cmo@melexis.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent a7a1c60b

drivers/iio/temperature/mlx90614.c

+30 −11
Original line number Diff line number Diff line
@@ -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