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staging:iio:ad799x: Switch to new event config interface

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Switch the ad799x driver to the new IIO event config interface as the old one
is going to be removed.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lars-Peter Clausen 2013-10-07 15:11:00 +01:00 committed by Jonathan Cameron
parent b80a674b8d
commit 5b9e048a80
1 changed files with 85 additions and 60 deletions
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145
drivers/staging/iio/adc/ad799x_core.c
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@ -252,7 +252,9 @@ error_ret_mutex:
}
static int ad799x_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)
{
return 1;
}
@ -265,14 +267,16 @@ static const u8 ad799x_threshold_addresses[][2] = {
};
static int ad799x_write_event_value(struct iio_dev *indio_dev,
u64 event_code,
int val)
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;
struct ad799x_state *st = iio_priv(indio_dev);
int direction = !!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) ==
IIO_EV_DIR_FALLING);
int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code);
int direction = dir == IIO_EV_DIR_FALLING;
int number = chan->channel;
mutex_lock(&indio_dev->mlock);
ret = ad799x_i2c_write16(st,
@ -284,14 +288,16 @@ static int ad799x_write_event_value(struct iio_dev *indio_dev,
}
static int ad799x_read_event_value(struct iio_dev *indio_dev,
u64 event_code,
int *val)
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;
struct ad799x_state *st = iio_priv(indio_dev);
int direction = !!(IIO_EVENT_CODE_EXTRACT_DIR(event_code) ==
IIO_EV_DIR_FALLING);
int number = IIO_EVENT_CODE_EXTRACT_CHAN(event_code);
int direction = dir == IIO_EV_DIR_FALLING;
int number = chan->channel;
u16 valin;
mutex_lock(&indio_dev->mlock);
@ -303,7 +309,7 @@ static int ad799x_read_event_value(struct iio_dev *indio_dev,
return ret;
*val = valin;
return 0;
return IIO_VAL_INT;
}
static ssize_t ad799x_read_channel_config(struct device *dev,
@ -446,26 +452,37 @@ static const struct iio_info ad7991_info = {
static const struct iio_info ad7992_info = {
.read_raw = &ad799x_read_raw,
.event_attrs = &ad7992_event_attrs_group,
.read_event_config = &ad799x_read_event_config,
.read_event_value = &ad799x_read_event_value,
.write_event_value = &ad799x_write_event_value,
.read_event_config_new = &ad799x_read_event_config,
.read_event_value_new = &ad799x_read_event_value,
.write_event_value_new = &ad799x_write_event_value,
.driver_module = THIS_MODULE,
};
static const struct iio_info ad7993_4_7_8_info = {
.read_raw = &ad799x_read_raw,
.event_attrs = &ad7993_4_7_8_event_attrs_group,
.read_event_config = &ad799x_read_event_config,
.read_event_value = &ad799x_read_event_value,
.write_event_value = &ad799x_write_event_value,
.read_event_config_new = &ad799x_read_event_config,
.read_event_value_new = &ad799x_read_event_value,
.write_event_value_new = &ad799x_write_event_value,
.driver_module = THIS_MODULE,
.update_scan_mode = ad7997_8_update_scan_mode,
};
#define AD799X_EV_MASK (IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING) | \
IIO_EV_BIT(IIO_EV_TYPE_THRESH, IIO_EV_DIR_FALLING))
static const struct iio_event_spec ad799x_events[] = {
{
.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),
},
};
#define AD799X_CHANNEL(_index, _realbits, _evmask) { \
#define _AD799X_CHANNEL(_index, _realbits, _ev_spec, _num_ev_spec) { \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = (_index), \
@ -473,16 +490,24 @@ static const struct iio_info ad7993_4_7_8_info = {
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.scan_index = (_index), \
.scan_type = IIO_ST('u', _realbits, 16, 12 - (_realbits)), \
.event_mask = (_evmask), \
.event_spec = _ev_spec, \
.num_event_specs = _num_ev_spec, \
}
#define AD799X_CHANNEL(_index, _realbits) \
_AD799X_CHANNEL(_index, _realbits, NULL, 0)
#define AD799X_CHANNEL_WITH_EVENTS(_index, _realbits) \
_AD799X_CHANNEL(_index, _realbits, ad799x_events, \
ARRAY_SIZE(ad799x_events))
static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
[ad7991] = {
.channel = {
AD799X_CHANNEL(0, 12, 0),
AD799X_CHANNEL(1, 12, 0),
AD799X_CHANNEL(2, 12, 0),
AD799X_CHANNEL(3, 12, 0),
AD799X_CHANNEL(0, 12),
AD799X_CHANNEL(1, 12),
AD799X_CHANNEL(2, 12),
AD799X_CHANNEL(3, 12),
IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
@ -490,10 +515,10 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7995] = {
.channel = {
AD799X_CHANNEL(0, 10, 0),
AD799X_CHANNEL(1, 10, 0),
AD799X_CHANNEL(2, 10, 0),
AD799X_CHANNEL(3, 10, 0),
AD799X_CHANNEL(0, 10),
AD799X_CHANNEL(1, 10),
AD799X_CHANNEL(2, 10),
AD799X_CHANNEL(3, 10),
IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
@ -501,10 +526,10 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7999] = {
.channel = {
AD799X_CHANNEL(0, 8, 0),
AD799X_CHANNEL(1, 8, 0),
AD799X_CHANNEL(2, 8, 0),
AD799X_CHANNEL(3, 8, 0),
AD799X_CHANNEL(0, 8),
AD799X_CHANNEL(1, 8),
AD799X_CHANNEL(2, 8),
AD799X_CHANNEL(3, 8),
IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
@ -512,8 +537,8 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7992] = {
.channel = {
AD799X_CHANNEL(0, 12, AD799X_EV_MASK),
AD799X_CHANNEL(1, 12, AD799X_EV_MASK),
AD799X_CHANNEL_WITH_EVENTS(0, 12),
AD799X_CHANNEL_WITH_EVENTS(1, 12),
IIO_CHAN_SOFT_TIMESTAMP(3),
},
.num_channels = 3,
@ -522,10 +547,10 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7993] = {
.channel = {
AD799X_CHANNEL(0, 10, AD799X_EV_MASK),
AD799X_CHANNEL(1, 10, AD799X_EV_MASK),
AD799X_CHANNEL(2, 10, AD799X_EV_MASK),
AD799X_CHANNEL(3, 10, AD799X_EV_MASK),
AD799X_CHANNEL_WITH_EVENTS(0, 10),
AD799X_CHANNEL_WITH_EVENTS(1, 10),
AD799X_CHANNEL_WITH_EVENTS(2, 10),
AD799X_CHANNEL_WITH_EVENTS(3, 10),
IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
@ -534,10 +559,10 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7994] = {
.channel = {
AD799X_CHANNEL(0, 12, AD799X_EV_MASK),
AD799X_CHANNEL(1, 12, AD799X_EV_MASK),
AD799X_CHANNEL(2, 12, AD799X_EV_MASK),
AD799X_CHANNEL(3, 12, AD799X_EV_MASK),
AD799X_CHANNEL_WITH_EVENTS(0, 12),
AD799X_CHANNEL_WITH_EVENTS(1, 12),
AD799X_CHANNEL_WITH_EVENTS(2, 12),
AD799X_CHANNEL_WITH_EVENTS(3, 12),
IIO_CHAN_SOFT_TIMESTAMP(4),
},
.num_channels = 5,
@ -546,14 +571,14 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7997] = {
.channel = {
AD799X_CHANNEL(0, 10, AD799X_EV_MASK),
AD799X_CHANNEL(1, 10, AD799X_EV_MASK),
AD799X_CHANNEL(2, 10, AD799X_EV_MASK),
AD799X_CHANNEL(3, 10, AD799X_EV_MASK),
AD799X_CHANNEL(4, 10, 0),
AD799X_CHANNEL(5, 10, 0),
AD799X_CHANNEL(6, 10, 0),
AD799X_CHANNEL(7, 10, 0),
AD799X_CHANNEL_WITH_EVENTS(0, 10),
AD799X_CHANNEL_WITH_EVENTS(1, 10),
AD799X_CHANNEL_WITH_EVENTS(2, 10),
AD799X_CHANNEL_WITH_EVENTS(3, 10),
AD799X_CHANNEL(4, 10),
AD799X_CHANNEL(5, 10),
AD799X_CHANNEL(6, 10),
AD799X_CHANNEL(7, 10),
IIO_CHAN_SOFT_TIMESTAMP(8),
},
.num_channels = 9,
@ -562,14 +587,14 @@ static const struct ad799x_chip_info ad799x_chip_info_tbl[] = {
},
[ad7998] = {
.channel = {
AD799X_CHANNEL(0, 12, AD799X_EV_MASK),
AD799X_CHANNEL(1, 12, AD799X_EV_MASK),
AD799X_CHANNEL(2, 12, AD799X_EV_MASK),
AD799X_CHANNEL(3, 12, AD799X_EV_MASK),
AD799X_CHANNEL(4, 12, 0),
AD799X_CHANNEL(5, 12, 0),
AD799X_CHANNEL(6, 12, 0),
AD799X_CHANNEL(7, 12, 0),
AD799X_CHANNEL_WITH_EVENTS(0, 12),
AD799X_CHANNEL_WITH_EVENTS(1, 12),
AD799X_CHANNEL_WITH_EVENTS(2, 12),
AD799X_CHANNEL_WITH_EVENTS(3, 12),
AD799X_CHANNEL(4, 12),
AD799X_CHANNEL(5, 12),
AD799X_CHANNEL(6, 12),
AD799X_CHANNEL(7, 12),
IIO_CHAN_SOFT_TIMESTAMP(8),
},
.num_channels = 9,