From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Device uses a fixed sampling frequency. Let us expose it to userspace.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
drivers/staging/iio/cdc/ad7150.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
index 8f8e472e3240..54f31aadc92a 100644
--- a/drivers/staging/iio/cdc/ad7150.c
+++ b/drivers/staging/iio/cdc/ad7150.c
@@ -126,6 +126,10 @@ static int ad7150_read_raw(struct iio_dev *indio_dev,
return ret;
*val = ret;
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_SAMP_FREQ:
+ /* Strangely same for both 1 and 2 chan parts */
+ *val = 100;
return IIO_VAL_INT;
default:
return -EINVAL;
@@ -449,6 +453,7 @@ static const struct iio_event_spec ad7150_events[] = {
.channel = _chan, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
BIT(IIO_CHAN_INFO_AVERAGE_RAW), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),\
.event_spec = ad7150_events, \
.num_event_specs = ARRAY_SIZE(ad7150_events), \
}
@@ -459,6 +464,7 @@ static const struct iio_event_spec ad7150_events[] = {
.channel = _chan, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
BIT(IIO_CHAN_INFO_AVERAGE_RAW), \
+ .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),\
}
static const struct iio_chan_spec ad7150_channels[] = {
--
2.30.0
