staging:iio:ad5933: Remove redundant call to iio_sw_buffer_preenable()

The equivalent of iio_sw_buffer_preenable() is now done in the IIO buffer core,
so there is no need to do this from the driver anymore.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index f570115..0a4298b 100644 (file)
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -574,10 +574,6 @@ static int ad5933_ring_preenable(struct iio_dev *indio_dev)
        if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength))
                return -EINVAL;
 
-       ret = iio_sw_buffer_preenable(indio_dev);
-       if (ret < 0)
-               return ret;
-
        ret = ad5933_reset(st);
        if (ret < 0)
                return ret;