diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2014-11-04 12:03:15 -0500 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2014-11-05 13:33:47 -0500 |
| commit | 79fa64eb2ee8ccb4bcad7f54caa2699730b10b22 (patch) | |
| tree | 4d8d51a9e988ffc01ba1156928d15d05ab9c8458 /drivers/staging | |
| parent | e10554738cab4224e097c2f9d975ea781a4fcde4 (diff) | |
staging:iio:ade7758: Fix check if channels are enabled in prenable
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>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging')
| -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 628e902dd815..6e9006490742 100644 --- a/drivers/staging/iio/meter/ade7758_ring.c +++ b/drivers/staging/iio/meter/ade7758_ring.c | |||
| @@ -87,7 +87,7 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev) | |||
| 87 | { | 87 | { |
| 88 | unsigned channel; | 88 | unsigned channel; |
| 89 | 89 | ||
| 90 | if (!bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) | 90 | if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) |
| 91 | return -EINVAL; | 91 | return -EINVAL; |
| 92 | 92 | ||
| 93 | channel = find_first_bit(indio_dev->active_scan_mask, | 93 | channel = find_first_bit(indio_dev->active_scan_mask, |