diff options
| author | Jonathan Cameron <jic23@kernel.org> | 2012-04-21 10:09:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-24 11:23:38 -0700 |
| commit | f5ee7b807fc90756d6852690a3777db7093efe0d (patch) | |
| tree | 64fe29a2979761e6fbf6c1c5fb6dd39eb5a869c5 | |
| parent | c562ccbf584f8017a153bbd5c1039a189e1f8be8 (diff) | |
| download | linux-3.10-f5ee7b807fc90756d6852690a3777db7093efe0d.tar.gz linux-3.10-f5ee7b807fc90756d6852690a3777db7093efe0d.tar.bz2 linux-3.10-f5ee7b807fc90756d6852690a3777db7093efe0d.zip | |
staging:iio:impedance-analyser make use of iio_sw_buffer_preenable
This avoids some code duplication by using the generic form
in a non performance critical place.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | 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 93e5a716f9e..8a0485e6974 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) |