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staging: iio: ad5933: Return correct value for AD5933_OUT_RANGE. 

The 'break' statement after calling ad5933_cmd only breaks out of the
'for' loop, which then unconditionally sets the return value to -EINVAL.
Move the initialisation of 'ret' so we return the correct value.

Signed-off-by: Phil Turnbull <phil.turnbull@oracle.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Phil Turnbull 2016-07-21 11:23:13 -04:00 committed by Jonathan Cameron
parent bb9947c3a1
commit 776b645315
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/iio/impedance-analyzer/ad5933.c
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@ -419,6 +419,7 @@ static ssize_t ad5933_store(struct device *dev,
mutex_lock(&indio_dev->mlock);
switch ((u32)this_attr->address) {
case AD5933_OUT_RANGE:
ret = -EINVAL;
for (i = 0; i < 4; i++)
if (val == st->range_avail[i]) {
st->ctrl_hb &= ~AD5933_CTRL_RANGE(0x3);
@ -426,7 +427,6 @@ static ssize_t ad5933_store(struct device *dev,
ret = ad5933_cmd(st, 0);
break;
}
ret = -EINVAL;
break;
case AD5933_IN_PGA_GAIN:
if (sysfs_streq(buf, "1")) {