Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
---
drivers/staging/iio/iio_simple_dummy.c | 29 ++++++++++++++++++++++++++++-
1 file changed, 28 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c
index 1fac9894b18c..8697bdcedf07 100644
--- a/drivers/staging/iio/iio_simple_dummy.c
+++ b/drivers/staging/iio/iio_simple_dummy.c
@@ -84,6 +84,9 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
/* Channel has a numeric index of 0 */
.indexed = 1,
.channel = 0,
+ .info_mask_separate_available =
+ BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_OFFSET),
/* What other information is available? */
.info_mask_separate =
/*
@@ -304,7 +307,30 @@ static int iio_dummy_read_raw(struct iio_dev *indio_dev,
mutex_unlock(&st->lock);
return ret;
}
-
+static const int test_avail_list[] = { 0, 1, 1, 0, 3, 3000 };
+
+static int iio_dummy_read_avail(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan,
+ const int **vals,
+ int *type,
+ int *length,
+ long mask_el)
+{
+ switch (mask_el) {
+ case IIO_CHAN_INFO_RAW:
+ *length = ARRAY_SIZE(test_avail_list);
+ *vals = test_avail_list;
+ *type = IIO_VAL_INT_PLUS_MICRO;
+ return IIO_AVAIL_LIST;
+ case IIO_CHAN_INFO_OFFSET:
+ *length = ARRAY_SIZE(test_avail_list);
+ *vals = test_avail_list;
+ *type = IIO_VAL_INT_PLUS_MICRO;
+ return IIO_AVAIL_RANGE;
+ default:
+ return -EINVAL;
+ }
+}
/**
* iio_dummy_write_raw() - data write function.
* @indio_dev: the struct iio_dev associated with this device instance
@@ -368,6 +394,7 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
static const struct iio_info iio_dummy_info = {
.driver_module = THIS_MODULE,
.read_raw = &iio_dummy_read_raw,
+ .read_avail = &iio_dummy_read_avail,
.write_raw = &iio_dummy_write_raw,
#ifdef CONFIG_IIO_SIMPLE_DUMMY_EVENTS
.read_event_config_new = &iio_simple_dummy_read_event_config,
--
1.8.4.2
--
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