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: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 44 insertions, 18 deletions

diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c
index 567c4bd546e5..c44afeb06f56 100644
--- a/drivers/iio/dac/ad5421.c
+++ b/drivers/iio/dac/ad5421.c
@@ -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,
 };