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path: root/drivers/staging/iio/meter/ade7758_ring.c
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Diffstat (limited to 'drivers/staging/iio/meter/ade7758_ring.c')
-rw-r--r--drivers/staging/iio/meter/ade7758_ring.c2
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 5e740e386162..9934f508ded2 100644
--- a/drivers/staging/iio/meter/ade7758_ring.c
+++ b/drivers/staging/iio/meter/ade7758_ring.c
@@ -98,7 +98,7 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev)
if (!ring->scan_count)
return -EINVAL;
- channel = __ffs(ring->scan_mask);
+ channel = find_first_bit(ring->scan_mask, indio_dev->masklength);
d_size = st->ade7758_ring_channels[channel].scan_type.storagebits / 8;