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Commit 1eefd62b authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

iio:ad5421: Switch to new event config interface 



Switch the ad5421 driver to the new IIO event config interface as the old one
is going to be removed.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent e4ec84f8

drivers/iio/dac/ad5421.c

+44 −18
Original line number Diff line number Diff line
@@ -80,6 +80,29 @@ struct ad5421_state { 
	} data[2] ____cacheline_aligned;

};



static const struct iio_event_spec ad5421_current_event[] = {

	{

		.type = IIO_EV_TYPE_THRESH,

		.dir = IIO_EV_DIR_RISING,

		.mask_separate = BIT(IIO_EV_INFO_VALUE) |

			BIT(IIO_EV_INFO_ENABLE),

	}, {

		.type = IIO_EV_TYPE_THRESH,

		.dir = IIO_EV_DIR_FALLING,

		.mask_separate = BIT(IIO_EV_INFO_VALUE) |

			BIT(IIO_EV_INFO_ENABLE),

	},

};



static const struct iio_event_spec ad5421_temp_event[] = {

	{

		.type = IIO_EV_TYPE_THRESH,

		.dir = IIO_EV_DIR_RISING,

		.mask_separate = BIT(IIO_EV_INFO_VALUE) |

			BIT(IIO_EV_INFO_ENABLE),

	},

};



static const struct iio_chan_spec ad5421_channels[] = {

	{

		.type = IIO_CURRENT,
@@ -92,13 +115,14 @@ static const struct iio_chan_spec ad5421_channels[] = { 
		.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) |

			BIT(IIO_CHAN_INFO_OFFSET),

		.scan_type = IIO_ST('u', 16, 16, 0),

		.event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) |

			IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING),

		.event_spec = ad5421_current_event,

		.num_event_specs = ARRAY_SIZE(ad5421_current_event),

	},

	{

		.type = IIO_TEMP,

		.channel = -1,

		.event_mask = IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING),

		.event_spec = ad5421_temp_event,

		.num_event_specs = ARRAY_SIZE(ad5421_temp_event),

	},

};
@@ -353,15 +377,15 @@ static int ad5421_write_raw(struct iio_dev *indio_dev, 
}



static int ad5421_write_event_config(struct iio_dev *indio_dev,

	u64 event_code, int state)

	const struct iio_chan_spec *chan, enum iio_event_type type,

	enum iio_event_direction dir, int state)

{

	struct ad5421_state *st = iio_priv(indio_dev);

	unsigned int mask;



	switch (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code)) {

	switch (chan->type) {

	case IIO_CURRENT:

		if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) ==

			IIO_EV_DIR_RISING)

		if (dir == IIO_EV_DIR_RISING)

			mask = AD5421_FAULT_OVER_CURRENT;

		else

			mask = AD5421_FAULT_UNDER_CURRENT;
@@ -384,15 +408,15 @@ static int ad5421_write_event_config(struct iio_dev *indio_dev, 
}



static int ad5421_read_event_config(struct iio_dev *indio_dev,

	u64 event_code)

	const struct iio_chan_spec *chan, enum iio_event_type type,

	enum iio_event_direction dir)

{

	struct ad5421_state *st = iio_priv(indio_dev);

	unsigned int mask;



	switch (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code)) {

	switch (chan->type) {

	case IIO_CURRENT:

		if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) ==

			IIO_EV_DIR_RISING)

		if (dir == IIO_EV_DIR_RISING)

			mask = AD5421_FAULT_OVER_CURRENT;

		else

			mask = AD5421_FAULT_UNDER_CURRENT;
@@ -407,12 +431,14 @@ static int ad5421_read_event_config(struct iio_dev *indio_dev, 
	return (bool)(st->fault_mask & mask);

}



static int ad5421_read_event_value(struct iio_dev *indio_dev, u64 event_code,

	int *val)

static int ad5421_read_event_value(struct iio_dev *indio_dev,

	const struct iio_chan_spec *chan, enum iio_event_type type,

	enum iio_event_direction dir, enum iio_event_info info, int *val,

	int *val2)

{

	int ret;



	switch (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event_code)) {

	switch (chan->type) {

	case IIO_CURRENT:

		ret = ad5421_read(indio_dev, AD5421_REG_DAC_DATA);

		if (ret < 0)
@@ -426,15 +452,15 @@ static int ad5421_read_event_value(struct iio_dev *indio_dev, u64 event_code, 
		return -EINVAL;

	}



	return 0;

	return IIO_VAL_INT;

}



static const struct iio_info ad5421_info = {

	.read_raw =		ad5421_read_raw,

	.write_raw =		ad5421_write_raw,

	.read_event_config =	ad5421_read_event_config,

	.write_event_config =	ad5421_write_event_config,

	.read_event_value =	ad5421_read_event_value,

	.read_event_config_new = ad5421_read_event_config,

	.write_event_config_new = ad5421_write_event_config,

	.read_event_value_new =	ad5421_read_event_value,

	.driver_module =	THIS_MODULE,

};