summaryrefslogtreecommitdiffstats
path: root/drivers/staging/iio/iio_simple_dummy.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/iio/iio_simple_dummy.c')
-rw-r--r--drivers/staging/iio/iio_simple_dummy.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/staging/iio/iio_simple_dummy.c b/drivers/staging/iio/iio_simple_dummy.c
index 10a9e0882bbc..0b8611ac1003 100644
--- a/drivers/staging/iio/iio_simple_dummy.c
+++ b/drivers/staging/iio/iio_simple_dummy.c
@@ -239,6 +239,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
{
.type = IIO_VOLTAGE,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .scan_index = -1, /* No buffer support */
.output = 1,
.indexed = 1,
.channel = 0,
@@ -248,7 +249,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_ENABLE) |
BIT(IIO_CHAN_INFO_CALIBHEIGHT),
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
- .scan_index = -1,
+ .scan_index = -1, /* No buffer support */
#ifdef CONFIG_IIO_SIMPLE_DUMMY_EVENTS
.event_spec = &step_detect_event,
.num_event_specs = 1,
@@ -259,6 +260,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
.modified = 1,
.channel2 = IIO_MOD_RUNNING,
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+ .scan_index = -1, /* No buffer support */
#ifdef CONFIG_IIO_SIMPLE_DUMMY_EVENTS
.event_spec = &iio_running_event,
.num_event_specs = 1,
@@ -269,6 +271,7 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
.modified = 1,
.channel2 = IIO_MOD_WALKING,
.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+ .scan_index = -1, /* No buffer support */
#ifdef CONFIG_IIO_SIMPLE_DUMMY_EVENTS
.event_spec = &iio_walking_event,
.num_event_specs = 1,
@@ -638,13 +641,7 @@ static int iio_dummy_probe(int index)
if (ret < 0)
goto error_free_device;
- /*
- * Configure buffered capture support and register the channels with the
- * buffer, but avoid the output channel being registered by reducing the
- * number of channels by 1.
- */
- ret = iio_simple_dummy_configure_buffer(indio_dev,
- iio_dummy_channels, 5);
+ ret = iio_simple_dummy_configure_buffer(indio_dev);
if (ret < 0)
goto error_unregister_events;