This avoids some code duplication by using the generic form in a non performance critical place. Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx> --- drivers/staging/iio/impedance-analyzer/ad5933.c | 11 +++-------- 1 files changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 93e5a71..8a0485e 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -569,19 +569,14 @@ static const struct iio_info ad5933_info = { static int ad5933_ring_preenable(struct iio_dev *indio_dev) { struct ad5933_state *st = iio_priv(indio_dev); - size_t d_size; int ret; if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; - d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - ad5933_channels[1].scan_type.storagebits / 8; - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; ret = ad5933_reset(st); if (ret < 0) -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html