diff options
Diffstat (limited to 'drivers/staging/iio/accel/sca3000.c')
| -rw-r--r-- | drivers/staging/iio/accel/sca3000.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/staging/iio/accel/sca3000.c b/drivers/staging/iio/accel/sca3000.c index 36a52d02ee0e..8af7d83e658d 100644 --- a/drivers/staging/iio/accel/sca3000.c +++ b/drivers/staging/iio/accel/sca3000.c @@ -1491,6 +1491,19 @@ error_ret: **/ static int sca3000_hw_ring_preenable(struct iio_dev *indio_dev) { + /* + * Set stuff to read to indicate no data present. + * Need for cases where the interrupt had fired at the + * end of a cycle, but the data was never read. + */ + indio_dev->buffer->stufftoread = 0; + /* + * Needed to ensure the core will actually read data + * from the device rather than assuming no channels + * are enabled. + */ + indio_dev->buffer->bytes_per_datum = 6; + return __sca3000_hw_ring_state_set(indio_dev, 1); } |