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Commit 79fa64eb authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
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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: 550268ca ("staging:iio: scrap scan_count and ensure all drivers use active_scan_mask")
Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent e1055473

drivers/staging/iio/meter/ade7758_ring.c

+1 −1
Original line number Diff line number Diff line
@@ -87,7 +87,7 @@ static int ade7758_ring_preenable(struct iio_dev *indio_dev) 
{

	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,