Correctly handle the settling time cycles value. The else branch is an
impossible condition, > 1022 in the else branch of > 511. Flipping the order.

Based on the Table 13 at the bottom of Page 25 of the Data Sheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5933.pdf

Signed-off-by: Luis de Bethencourt <lui...@osg.samsung.com>
Reviewed-by: Lars-Peter Clausen <l...@metafoo.de>
---
 drivers/staging/iio/impedance-analyzer/ad5933.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c 
b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 9f43976..170ac98 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -444,10 +444,10 @@ static ssize_t ad5933_store(struct device *dev,
                st->settling_cycles = val;
 
                /* 2x, 4x handling, see datasheet */
-               if (val > 511)
-                       val = (val >> 1) | (1 << 9);
-               else if (val > 1022)
+               if (val > 1022)
                        val = (val >> 2) | (3 << 9);
+               else if (val > 511)
+                       val = (val >> 1) | (1 << 9);
 
                dat = cpu_to_be16(val);
                ret = ad5933_i2c_write(st->client,
-- 
2.5.1

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