diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2014-11-04 18:03:15 +0100 |
|---|---|---|
| committer | Zefan Li <lizefan@huawei.com> | 2015-02-02 17:05:14 +0800 |
| commit | adea30f0a90aa958594ca553e920a96f7a0b5b22 (patch) | |
| tree | 64930087b916f5e85c28813107306347d4ef27a2 /drivers | |
| parent | 7ef2f8d116f0e0b5513ecd5c06a72e84745c9041 (diff) | |
staging:iio:ade7758: Fix check if channels are enabled in prenable
commit 79fa64eb2ee8ccb4bcad7f54caa2699730b10b22 upstream.
We should check if a channel is enabled, not if no channels are enabled.
Fixes: 550268ca1111 ("staging:iio: scrap scan_count and ensure all drivers use active_scan_mask")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/iio/meter/ade7758_ring.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/iio/meter/ade7758_ring.c b/drivers/staging/iio/meter/ade7758_ring.c index c45b23bb1229..629a6ed2c6ed 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c @@ -96,7 +96,7 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev) size_t d_size; unsigned channel; - if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) + if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; channel = find_first_bit(indio_dev->active_scan_mask, |