iio: light: si1133 fix test for val being not zero or not one.

The current check on val always results in true and so the
call to sii1133_update_adcsens never gets called. Fix this check
so it returns with -EINVAL only when val is not zero and not one.

Detected by CoverityScan, CID#1472099 ("Logically dead code")

Fixes: e01e7eaf37 ("iio: light: introduce si1133")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Colin Ian King 2018-07-30 13:59:18 +01:00 • committed by Jonathan Cameron
commit 1e96e93a35